KY

Kazuo Yokoyama

Sumitomo Electric Industries: 23 patents #806 of 21,551Top 4%
PA Panasonic: 12 patents #2,079 of 21,108Top 10%
ML Mitsubishi Paper Mills Limited: 2 patents #171 of 458Top 40%
SC Shoei Chemical: 1 patents #72 of 128Top 60%
TL Teijin Limited: 1 patents #850 of 1,631Top 55%
FU Fujikura: 1 patents #788 of 1,407Top 60%
FI Fujifilm Business Innovation: 1 patents #3,579 of 5,238Top 70%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
Overall (All Time): #70,956 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 26–43 of 43 patents

Patent #TitleCo-InventorsDate
5920418 Diffractive optical modulator and method for producing the same, infrared sensor including such a diffractive optical modulator and method for producing the same, and display device including such a diffractive optical modulator Teruhiro Shiono, Michihito Ueda, Tatsuo Ito, Shinichi Mizuguchi 1999-07-06
5835312 Magnetic head for use with a recording medium Akio Kuroe, Akio Murata, Osamu Kusumoto 1998-11-10
5448386 Optical liquid crystal element Hiroshi Watanabe, Nobuyasu Yamagishi 1995-09-05
5438206 Positioning device Motoshi Shibata 1995-08-01
5397764 Thermal transfer recording film Takashi Yamagishi 1995-03-14
5381753 Fabrication method of fine structures Michio Okajima, Osamu Kusumoto, Takao Tohda, Motoshi Shibata 1995-01-17
5286977 Positioning device Motoshi Shibata 1994-02-15
5270727 Method for image formation Kyonosuke Yamamoto 1993-12-14
5237440 Method of manufacturing a liquid crystal display panel Hiroshi Watanabe, Nobuyasu Yamagishi 1993-08-17
5157523 Projection type liquid crystal display unit including orthogonal phase plates Nobuyasu Yamagishi, Hiroshi Watanabe 1992-10-20
5087300 Method for manufacturing high-conductivity copper-clad steel trolley wire Teruyuki Takayama, Hiroki Nagasawa, Sumihisa Aoki, Haruo Tominaga 1992-02-11
4989954 Projection type liquid cyrstal display device Junichi Asada, Hiroshi Watanabe, Shoichi Ishihara, Sadayoshi Hotta, Fumiko Yokotani +1 more 1991-02-05
4879193 Light sensitive material for making lithographic printing plate therefrom Yoshikazu Takaya 1989-11-07
4835070 Magnetic recording medium and method of producing the same Hideo Kurokawa, Tsutomu Mitani, Taketoshi Yonezawa 1989-05-30
4752442 Bonding wire Eiichi Asada, Masahiro Yata, Kenichi Hirano 1988-06-21
4375899 Protector for movable panel of roof structure Yasuo Kajiyama, Yoshihiro Yamakami 1983-03-08
4288307 Method of making a magnetic head Kiyotaka Wasa, Takao Tohda, Eiichi Hirota, Shigeru Hayakawa 1981-09-08
4238215 Magnetic head and method for preparing the same Ryuji Nichiyama, Taketoshi Yonezawa 1980-12-09