Koichi Kondo

ORCID: 0009-0008-5600-6045
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Research Areas
  • Electromagnetic Compatibility and Noise Suppression
  • Electromagnetic wave absorption materials
  • Chemical Synthesis and Analysis
  • Synthesis and Characterization of Heterocyclic Compounds
  • Robotic Path Planning Algorithms
  • Fluid Dynamics and Mixing
  • Magnetic Properties and Applications
  • Advanced Antenna and Metasurface Technologies
  • Nonlinear Waves and Solitons
  • Magnetic Properties and Synthesis of Ferrites
  • Nonlinear Optical Materials Research
  • Matrix Theory and Algorithms
  • Synthetic Organic Chemistry Methods
  • Magnetic properties of thin films
  • Microwave and Dielectric Measurement Techniques
  • Synthesis and properties of polymers
  • Synthesis and Properties of Aromatic Compounds
  • Cyclone Separators and Fluid Dynamics
  • Electromagnetic Compatibility and Measurements
  • Heat Transfer and Boiling Studies
  • Power Line Communications and Noise
  • Conducting polymers and applications
  • Advanced Manufacturing and Logistics Optimization
  • Advanced Optimization Algorithms Research
  • Iterative Methods for Nonlinear Equations

Toshiba (Japan)
1992-2024

Doshisha University
2009-2022

Mie University
2011-2020

Graduate School USA
2020

Marine Technical College
1999-2019

NEC (Japan)
2007-2017

Mie Prefectural College Of Nursing
2017

Industrial Research Institute of Shizuoka Prefecture
2017

Kobe University
2017

Oji Holdings (Japan)
2017

We apply manipulation planning to computer animation. A new path planner is presented that automatically computes the collision-free trajectories for several cooperating arms manipulate a movable object between two configurations. This implemented capable of dealing with complicated tasks where regrasping involved. In addition, we present inverse kinematics algorithm human arms. utilized by generation realistic arm motions as they objects. view our system tool facilitating production

10.1145/192161.192266 article EN 1994-01-01

A general and efficient method is presented that uses a configuration space for planning collision-free path among known stationary obstacles an arbitrarily moving object with six degrees of freedom. The basic approach to restrict the free concerning avoid executing unnecessary collision detections. six-dimensional equally quantized into cells by placing regular grid, are enumerated simultaneously multiple search strategies. Search strategies different characteristics defined assigning...

10.1109/70.88136 article EN IEEE Transactions on Robotics and Automation 1991-06-01

Abstract Heat-flow sensing is expected to be an important technological component of smart thermal management in the future. Conventionally, thermoelectric (TE) conversion technique, which based on Seebeck effect, has been used measure a heat flow by converting into electric voltage. However, for ubiquitous heat-flow visualization, thin and flexible sensors with extremely low resistance are highly desired. Recently, another type TE longitudinal spin effect (LSSE), aroused great interest...

10.1038/srep23114 article EN cc-by Scientific Reports 2016-03-15

10.1016/s0304-8853(02)00859-4 article EN Journal of Magnetism and Magnetic Materials 2002-12-03

We report two-photon absorption properties of newly synthesized compounds consisting styrylpyridines or their triflates linked by a diacetylene π-bridge in symmetric way as well the containing same substituent groups phenylenevinylene-type π-bridge. Femtosecond open aperture Z-scan measurements revealed that cross-sections σ(2) DMSO were order 10−48 cm4 s molecule−1 photon−1 wavelength range 650–800 nm. The largest value was found to be 8.50 × at 764 nm for methoxy-substituted triflate...

10.1039/b211268j article EN Journal of Materials Chemistry 2003-01-01

A NiZn ferrite film (3 μm thick) was deposited at 90 °C by the spin-spray plating from an aqueous solution onto a 50 Ω microstrip line formed on epoxy printed circuit board (PCB). strong magnetic loss caused in GHz range, ΔPloss reaching 67% attenuation 3 GHz, upper limit of our measurement. Furthermore, reflection very weak, S11 being smaller than 7%. Thus plated films hold promise to be actually applied type thin electromagnetic noise suppressors; can directly sources (semiconductor...

10.1063/1.1555362 article EN Journal of Applied Physics 2003-05-15

Magnetic films having in the gigahertz range high real permeability μ′ and yet exhibiting weak imaginary μ″ (thus low tanδ=μ″∕μ′) are great need recently, for use next-generation magnetic devices such as radio frequency identification (RFID) tags utilizing 900MHz or 2.45GHz band. In this study we successfully prepared (composition: Ni0.23±0.01ZnxCoyFe2.76±0.01−x−y, x=0–0.34 y=0.23–0.27) which exhibit highly capable complex spectra. They were from an aqueous solution at 90°C by spin spray...

10.1063/1.2710465 article EN Journal of Applied Physics 2007-04-02

Two-photon absorption (TPA) properties of a series cationic, linear π-conjugated systems with donor(D)/acceptor(A) substitution have been examined systematically in terms the type and length π-conjugation core symmetric asymmetric D/A-arrangement. The TPA spectra chromophores measured by femtosecond open-aperture Z-scan method reveal that double-bond results much more intense than triple-bond one, significant red shift peak while becomes as chain is extended for compounds little shift. It...

10.1021/jp901500v article EN The Journal of Physical Chemistry C 2009-04-23

Phenylethynyl substituted benzenes 1, 2 and 3 are synthesized by the Pd-coupling reaction of phenylacetylene with corresponding bromobenzene; third-order optical non-linearity [χ(3)(ω)] increases participation π-conjugation through triple bond as determined degenerate four-wave mixing (DFWM) method in a chloroform solution.

10.1039/c39950000055 article EN Journal of the Chemical Society Chemical Communications 1995-01-01

The power loss (Pcv) was analyzed by combining two methods. first, Pcv, is divided into hysteresis (Ph) and residual (Pr) from the frequency dependence of according to method Otsuki et al., and, second, factors are attributed domain wall motion (Pw) rotation magnetization (Prot) adapting proposed Visser al. It found that Pw coincides with Ph in lower range, but difference between them becomes significant as goes up. higher value Pw, comparison can be enhancement due dynamic (Pwd) raising...

10.1063/1.372663 article EN Journal of Applied Physics 2000-05-01

Conductive thermal resistance from solidifying steel shell through mold flux to continuous casting was investigated in bench tests. Thermal diffusivities of six fluxes used steels were determined glassy, crystalline and molten states with a laser flash method. Interfacial between the copper also by pouring onto measuring transient heat transfer mold. The surface morphology solidified contact observed stylus type profile meter related interfacial resistance. diffusivity glassy state (ca....

10.2355/isijinternational.36.suppl_s179 article EN ISIJ International 1996-01-01

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis of optically quadratic nonlinear phenylpyridylacetylenesKoichi Kondo, Noriaki Ohnishi, Kiichi Takemoto, Hidetsugu Yoshida, and Kunio YoshidaCite this: J. Org. Chem. 1992, 57, 5, 1622–1625Publication Date (Print):February 1, 1992Publication History Published online1 May 2002Published inissue 1 February 1992https://pubs.acs.org/doi/10.1021/jo00031a060https://doi.org/10.1021/jo00031a060research-articleACS PublicationsRequest reuse...

10.1021/jo00031a060 article EN The Journal of Organic Chemistry 1992-02-01

Abstract ESR spectroscopy was conducted on Cu(II) complexes of poly(1‐vinylimidazole), poly[4(5)‐vinylimidazole], and poly(2‐methyl‐1‐vinylimidazole) compared with those the corresponding low‐molecular‐weight complexes. At 293 K, an averaging anisotropy observed for monomeric [Cu(imidazole) 4 ] 2+ complex, however, it not polymeric On other hand, both showed typical asymmetric spectra complex in a tetragonal coordination at 77K. Structure intramolecular [CuL type kept stable case if ligand L...

10.1002/macp.1978.021790305 article EN Die Makromolekulare Chemie 1978-03-01
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