KK

Keiichi Kuramoto

SC Sanyo Electric Co.: 36 patents #54 of 6,347Top 1%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #90,508 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDate
9634167 Solar cell module Yousuke Ishii 2017-04-25
7901784 Optical waveguide, optical transmitter and receiver module, and laminated structure Hiroaki Izu, Mitsuaki Matsumoto, Koji Yamano, Hitoshi Hirano, Youhei Nakagawa 2011-03-08
7887910 Laminated optical element Nobuhiko Hayashi, Hitoshi Hirano, Mitsuaki Matsumoto, Masaya Nakai 2011-02-15
7825911 Touch sensor, touch pad and input device Takeshi Sano, Hiroyuki Fujii, Kenichiro Wakisaka 2010-11-02
7599133 Optical part for camera and method of fabricating the same Masaya Nakai, Mitsuaki Matsumoto, Nobuhiko Hayashi 2009-10-06
7582358 Organic-inorganic composite forming material, organic-inorganic composite, production method thereof and optical element Nobuhiko Hayashi, Mitsuaki Matsumoto, Masaya Nakai 2009-09-01
7561774 Optical waveguide Hiroaki Izu, Mitsuaki Matsumoto, Youhei Nakagawa, Hitoshi Hirano, Nobuhiko Hayashi 2009-07-14
7529044 Optical element, optical system and methods of manufacturing the same as well as optical equipment Mitsuaki Matsumoto, Nobuhiko Hayashi, Hitoshi Hirano 2009-05-05
7521725 Optical waveguide and the method of fabricating the same Youhei Nakagawa, Nobuhiko Hayashi, Mitsuaki Matsumoto, Hitoshi Hirano 2009-04-21
7483616 Optical waveguide Nobuhiko Hayashi, Youhei Nakagawa, Mitsuaki Matsumoto, Hitoshi Hirano 2009-01-27
7457507 Organometallic polymer material Hitoshi Hirano, Nobuhiko Hayashi, Mitsuaki Matsumoto 2008-11-25
7396873 Organometallic polymer material and process for preparing the same Youhei Nakagawa, Mitsuaki Matsumoto, Nobuhiko Hayashi, Hitoshi Hirano 2008-07-08
7181121 Optical device and method for manufacturing the same Youhei Nakagawa, Mitsuaki Matsumoto, Hiroaki Izu, Hitoshi Hirano, Nobuhiko Hayashi 2007-02-20
7166661 Organic-inorganic composite material and laminate, optical waveguide and light transmission structure comprising the same Hiroaki Izu, Koji Yamano, Hitoshi Hirano 2007-01-23
7163667 Production process for oxide magnetic material and oxide magnetic material Takashi Umemoto, Hideki Yoshikawa, Hitoshi Hirano 2007-01-16
7116868 Optical branch device and optical coupler module Nobuhiko Hayashi, Mitsuaki Matsumoto, Hitoshi Hirano 2006-10-03
7101489 Composite magnetic material and a method for producing the same Takashi Umemoto, Hideki Yoshikawa, Hitoshi Hirano 2006-09-05
7054070 Gradient-index lens and composite optical element utilizing the same Mitsuaki Matsumoto, Youhei Nakagawa, Hiroaki Izu, Hitoshi Hirano, Nobuhiko Hayashi 2006-05-30
6893581 Composite magnetic material and a method for producing the same Takashi Umemoto, Hideki Yoshikawa, Hitoshi Hirano 2005-05-17
6723770 Method of producing organic-inorganic composite material and organic-inorganic composite material Hiroaki Izu, Koji Yamano, Hitoshi Hirano 2004-04-20
6572936 Hard carbon film-coated substrate and method for fabricating the same Yoichi Domoto, Hitoshi Hirano, Seiichi Kiyama 2003-06-03
6528115 Hard carbon thin film and method of forming the same Hitoshi Hirano, Yoichi Domoto 2003-03-04
6354008 Sliding member, inner and outer blades of an electric shaver and film-forming method Yoichi Domoto, Hitoshi Hirano 2002-03-12
6299425 Member having sliding contact surface, compressor and rotary compressor Hitoshi Hirano, Yoichi Domoto, Naoto Tojo 2001-10-09
6071103 Member having sliding contact surface, compressor and rotary compressor Hitoshi Hirano, Yoichi Domoto, Naoto Tojo 2000-06-06