YY

Yoichi Yamaguchi

TK Toshiba Tec Kabushiki Kaisha: 24 patents #109 of 1,664Top 7%
KT Kabushiki Kaisha Toshiba: 23 patents #1,224 of 21,451Top 6%
Kawasaki: 3 patents #725 of 2,943Top 25%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
HO Hoya: 2 patents #523 of 1,290Top 45%
The Yokohama Rubber Co.: 2 patents #475 of 1,136Top 45%
NE Nec Electronics: 1 patents #715 of 1,789Top 40%
KA Kaneka: 1 patents #886 of 1,525Top 60%
NC Nissha Printing Co.: 1 patents #83 of 206Top 45%
AT Agency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
Overall (All Time): #79,446 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
8542261 Method for color erasing process and color erasing device Ken Iguchi, Isao Yahata, Takahiro Kawaguchi, Yoshiaki Sugizaki, Kikuo Mizutani +8 more 2013-09-24
7742350 Semiconductor device Masaru Shintani 2010-06-22
6550508 Rubber composition for tire tread having high performance on ice and pneumatic tire using the same Naoya Amino 2003-04-22
6058994 Rubber composition for tire-tread having high frictional force on ice and pneumatic tire using same Naoya Amino, Masayoshi Daio 2000-05-09
5955223 Phase-shift mask blank and process for the production thereof comprising a semi transparent film with silicon and nitrogen Hideaki Mitsui, Kenji Matsumoto 1999-09-21
5242898 Method of forming superconducting circuit Kenichi Takahashi, Noriyuki Yoshida, Jun Shioya, Akira Mizoguchi, Noriki Hayashi +2 more 1993-09-07
5108984 Method for producing thin film of oxide superconductor Jun Shioya, Akira Mizoguchi, Noriyuki Yoshida, Kenichi Takahashi, Kenji Miyazaki +2 more 1992-04-28
5017550 Method for producing thin film of oxide superconductor Jun Shioya, Akira Mizoguchi, Noriyuki Yoshida, Kenichi Takahashi, Kenji Miyazaki +2 more 1991-05-21
4948482 Method for forming silicon nitride film Masato Kobayashi 1990-08-14
4935689 Vehicle mounted engine generator system Tetsuzo Fujikawa, Masao Shirakawa 1990-06-19
4932244 Display device for an engine-equipped machine Tetsuzo Fujikawa, Akira Takahashi 1990-06-12
4919779 Method for producing electrically conductive carbon film Akira Mizoguchi, Jun Shioya, Yoshinobu Ueba 1990-04-24
4798082 Control-display device for an engine-equiped apparatus Tetsuzo Fujikawa, Akira Takahashi 1989-01-17
4795656 Cluster ion plating method for producing electrically conductive carbon film Akira Mizoguchi, Jun Shioya, Yoshinobu Ueba, Hironaga Matsubara 1989-01-03
4645713 Method for forming conductive graphite film and film formed thereby Jun Shioya, Yoshinobu Ueba, Hironaga Matsubara 1987-02-24