TW

Toshiyuki Watanabe

Fujitsu Limited: 27 patents #902 of 24,456Top 4%
KT Kabushiki Kaisha Toshiba: 19 patents #1,558 of 21,451Top 8%
Canon: 18 patents #3,676 of 19,416Top 20%
Bridgestone: 17 patents #98 of 2,860Top 4%
SC Sanyo Electric Co.: 8 patents #678 of 6,347Top 15%
SM Smc: 6 patents #188 of 737Top 30%
TO Topcon: 6 patents #139 of 684Top 25%
OL Olfa: 6 patents #3 of 5Top 60%
Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
TC Tomy Company: 4 patents #50 of 226Top 25%
Honda Motor Co.: 4 patents #5,328 of 21,052Top 30%
NS Nidec Sankyo: 4 patents #97 of 291Top 35%
3M: 3 patents #4,214 of 11,543Top 40%
RE Ryoden Semiconductor System Engineering: 3 patents #32 of 195Top 20%
NE Nec: 3 patents #4,195 of 14,502Top 30%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
NT Nuflare Technology: 2 patents #144 of 298Top 50%
AN Anritsu: 2 patents #192 of 633Top 35%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
NC Nippon Oil & Fats Co.: 2 patents #97 of 409Top 25%
TT Tokyo University Of Agriculture And Technology: 1 patents #11 of 46Top 25%
YU Yuasa: 1 patents #36 of 85Top 45%
SO Sony: 1 patents #17,262 of 25,231Top 70%
AT Advanced Material Technologies: 1 patents #8 of 16Top 50%
AD Advantest: 1 patents #714 of 1,193Top 60%
AC All Nippon Airways Co.: 1 patents #14 of 26Top 55%
BL Bridgestone Tire Company Limited: 1 patents #196 of 438Top 45%
CK Ckd: 1 patents #167 of 332Top 55%
FD Fdk: 1 patents #147 of 324Top 50%
FU Fujifilm: 1 patents #3,076 of 4,519Top 70%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
IT Itec: 1 patents #2 of 13Top 20%
KC Kokusan Denki Co.: 1 patents #62 of 128Top 50%
NE Nidec Elesys: 1 patents #18 of 43Top 45%
NE Ntt Electronics: 1 patents #160 of 358Top 45%
RT Renesas Technology: 1 patents #1,991 of 3,337Top 60%
RJ Research Development Corporation Of Japan: 1 patents #170 of 402Top 45%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
SC Sanki Engineering Co.: 1 patents #13 of 48Top 30%
SC Sanyo Technosound Co.: 1 patents #10 of 26Top 40%
SO Sumiden Opcom: 1 patents #12 of 24Top 50%
SC Sumitomo Bakelite Co.: 1 patents #403 of 790Top 55%
Overall (All Time): #5,606 of 4,157,543Top 1%
157
Patents All Time

Issued Patents All Time

Showing 126–150 of 157 patents

Patent #TitleCo-InventorsDate
5045239 Non-linear optical material Seizo Miyata, Yoshitaka Goto, Akio Hayashi, Masaharu Nakayama 1991-09-03
5030543 Light-sensitive material containing silver halide, reducing agent and polymerizable compound 1991-07-09
D315758 Toy airplane cockpit 1991-03-26
4997741 Color image forming method using leuco dyes and recording material containing leuco dyes 1991-03-05
4959291 Light-sensitive material containing silver halide, reducing agent, polymerizable compound and a diazaphthalide dye Toru Harada 1990-09-25
4925782 Silver halide photographic light-sensitive element containing water soluble dye compounds Masahiro Okada, Toshinao Ukai, Seiji Suzuki, Keiichi Adachi, Kunio Ishigaki 1990-05-15
4892681 Non-linear optical article Seizo Miyata, Yoshitaka Goto, Masaharu Nakayama 1990-01-09
4874689 Silver halide color photographic material Junichi Yamanouchi, Shigetoshi Ono, Tsumoru Hirano, Nobuo Sakai, Keiji Mihayashi 1989-10-17
4844568 Scanning type projection exposure system Masaki Suzuki, Hiroyuki Nagano, Takeo Sato 1989-07-04
4785862 Dual tire mounting method Satoshi Konishi, Hiroshi Yamaguchi, Shigehito Kishinami 1988-11-22
4783397 Silver halide color photographic material containing a coupler for forming a yellow dye, and a process for producing yellow images using the same Akira Ogawa 1988-11-08
4775656 Recording material containing leuco dye Toru Harada 1988-10-04
4764456 Silver halide color photographic material Naoyasu Deguchi 1988-08-16
4735288 Detachably attaching mechanism for cup of lubricator or filter used with air-actuated device Eiji Uematsu, Shunji Tsukamoto, Fumika Hayashi, Kouichi Miyake 1988-04-05
4630813 Method of and device for detecting displacement of paper sheets Noboru Yamada 1986-12-23
4589768 Original transfer apparatus Yasuhiro Iwata, Seiichi Kobayashi 1986-05-20
4579813 Silver halide color photographic materials Kozo Aoki, Takayoshi Kamio 1986-04-01
4578346 Silver halide color photographic light-sensitive materials Morio Yagihara, Keiichi Adachi 1986-03-25
4567135 Silver halide color photographic light-sensitive material Jun Arakawa 1986-01-28
4536472 Silver halide color photographic light-sensitive material Hirohiko Kato, Seiji Ichijima, Keiichi Adachi 1985-08-20
4532807 Method and apparatus for detecting sound source Naotaka Tomita 1985-08-06
4522915 Color photographic silver halide light-sensitive materials containing novel magenta color-forming couplers Seiji Ichijima 1985-06-11
4454521 Diazo-type thermosensitive recording material Yoshihiro Suguro, Masanaka Nagamoto, Takanori Motosugi, Yoshihiko Hotta 1984-06-12
4411987 Silver halide color photographic light-sensitive material Hidetoshi Kobayashi, Keiichi Adachi, Tadashi Ogawa 1983-10-25
4407936 Process and material for forming color photographic image Seiji Ichijima, Nobuo Furutachi, Nobuo Seto 1983-10-04