YY

Yasushi Yamada

KO Konica: 26 patents #24 of 1,958Top 2%
KA Kao: 14 patents #110 of 3,221Top 4%
PA Panasonic: 10 patents #2,582 of 21,108Top 15%
TO Toyota: 7 patents #4,145 of 26,838Top 20%
TK Toyoda Koki Kabushiki Kaisha: 7 patents #55 of 674Top 9%
HK Henkel Ag & Co. Kgaa: 4 patents #359 of 2,331Top 20%
JT Jtekt: 3 patents #557 of 1,969Top 30%
TL Toyota Central R&D Labs: 3 patents #379 of 1,657Top 25%
MC Mec Company: 3 patents #10 of 88Top 15%
KC Konishiroku Photo Industry Co.: 2 patents #360 of 894Top 45%
NK Nippon Kayaku: 2 patents #345 of 1,103Top 35%
NE Nec: 2 patents #5,510 of 14,502Top 40%
TK Toyo Boseki Kabushiki Kaisha: 2 patents #343 of 1,085Top 35%
IN Inoac: 1 patents #65 of 232Top 30%
MM Mitsubishi Motors: 1 patents #856 of 1,823Top 50%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
TA Tanita: 1 patents #120 of 216Top 60%
TU Tohoku University: 1 patents #615 of 1,680Top 40%
JG Jgc: 1 patents #137 of 393Top 35%
📍 Osaka, JP: #46 of 258 inventorsTop 20%
Overall (All Time): #19,268 of 4,157,543Top 1%
87
Patents All Time

Issued Patents All Time

Showing 51–75 of 87 patents

Patent #TitleCo-InventorsDate
6261812 Process for producing diglycerides Masami Shimizu, Masakatsu Sugiura, Naoto Yamada 2001-07-17
5965036 Microetching composition for copper or copper alloy Yoshiro Maki, Toshiko Nakagawa, Takashi Haruta, Maki Arimura 1999-10-12
5807493 Microetching method for copper or copper alloy Yoshiro Maki, Toshiko Nakagawa, Takashi Haruta, Maki Arimura 1998-09-15
5648601 Apparatus for analyzing air/fuel ratio sensor characteristics Kazunori Katoh, Haruyoshi Kondo, Masayuki Matsui, Naoki Katayama, Hideaki Takahashi +1 more 1997-07-15
5593525 Process of making structured fiber material Hideo Isoda, Tadaaki Hamaguchi, Mitsuhiro Sakuda 1997-01-14
5515150 Copying apparatus equipped with automatic document feeder for feed cut sheets and continuous feed sheets Koji Yoshie, Hiroyuki Wakabayashi 1996-05-07
5502556 Automatic document feeding apparatus for feeding two-sided documents 1996-03-26
5462793 Structured fiber material comprised of composite fibers coiled around crimped short fibers Hideo Isoda, Tadaaki Hamaguchi, Mitsuhiro Sakuda 1995-10-31
5436715 Automatic document feeder Kohji Yoshie, Tetsuo Hirata, Tadashi Uematsu, Hiroyuki Hara 1995-07-25
5419542 Automatic document feeder Tadashi Uematsu, Shigeo Inaba, Hiroyuki Hara 1995-05-30
5385341 Automatic document conveying apparatus Tetsuo Hirata, Tadashi Uematsu, Hiroyuki Hara 1995-01-31
5348281 Sheet refeeding device for use in printing apparatus having a timed pressing member Tsuyoshi Mizubata, Masaru Ushio 1994-09-20
5333043 Image forming apparatus equipped with automatic document feeder 1994-07-26
5331386 Recording sheet conveyance device for use with an image forming apparatus Tsuyoshi Mizubata, Susumu Okui, Mitsuru Nagoshi 1994-07-19
5328163 Recording sheet feeding device 1994-07-12
5280896 Sheet refeeding device 1994-01-25
5223905 Automatic document conveying device Kazuhiro Hirota, Akihiko Nishiki 1993-06-29
5215303 Sheet alignment device for a copying apparatus having an intermediate standby position Tsuyoshi Mizubata, Masaru Ushio 1993-06-01
5212517 Copier having copy mode selection means Tsuyoshi Mizubata, Masaru Ushio, Osamu Murata, Tomoya Motoyoshi, Yoshikazu Maekawa +1 more 1993-05-18
5205548 Automatic document sheet conveyance device Masaru Ushio, Masanobu Kawano, Yoshikazu Maekawa, Yoshio Ueda 1993-04-27
5197723 Automatic document feeding apparatus Yoshikazu Maekawa, Osamu Murata, Yoshio Ueda, Masanobu Kawano 1993-03-30
5192065 Sorter with trays rotatable into a stapling position Kazuhiro Hirota, Hisao Hosoya, Kazunobu Miura, Akihiko Nishiki 1993-03-09
5155540 Automatic duplex recording apparatus having detectors for controlling feeding and refeeding of a recording sheet Tsuyoshi Mizubata, Akihiko Nishiki 1992-10-13
5120039 Sheet sorter with guide moving device and separate moving device for feeding means mounted on end of guide 1992-06-09
5118092 Document feeding apparatus Yoshikazu Maekawa, Hiroyuki Arai, Susumu Okui, Tsugio Hirabayashi, Toshihide Miura 1992-06-02