OT

Osamu Takahashi

Fujitsu Limited: 96 patents #45 of 24,456Top 1%
IBM: 50 patents #1,732 of 70,183Top 3%
Brother Kogyo: 25 patents #323 of 2,767Top 15%
SE Seiko Epson: 22 patents #789 of 7,774Top 15%
KC Kotobuki & Co.: 11 patents #10 of 77Top 15%
TSMC: 7 patents #3,492 of 12,232Top 30%
Mitsubishi Electric: 7 patents #4,301 of 25,717Top 20%
SO Sony: 7 patents #6,034 of 25,231Top 25%
KT Kabushiki Kaisha Toshiba: 6 patents #4,898 of 21,451Top 25%
CL Central Glass Company, Limited: 6 patents #140 of 968Top 15%
TP Tohoku Pioneer: 6 patents #46 of 312Top 15%
TC Taiyo Yuden Co.: 6 patents #213 of 959Top 25%
Pioneer: 6 patents #298 of 1,730Top 20%
ND Ntt Docomo: 6 patents #415 of 1,706Top 25%
MC Mitsumi Electric Co.: 5 patents #171 of 935Top 20%
SI Seiko Instruments: 4 patents #389 of 1,437Top 30%
BI Bando Chemical Industries: 4 patents #50 of 303Top 20%
FU Fujifilm: 4 patents #1,747 of 4,519Top 40%
Nissan Motor Co.: 4 patents #1,803 of 8,689Top 25%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
The Yokohama Rubber Co.: 4 patents #315 of 1,136Top 30%
NL Nippon Mining Company Limited: 3 patents #23 of 262Top 9%
RT Renesas Technology: 3 patents #990 of 3,337Top 30%
JE Japan Energy: 3 patents #25 of 240Top 15%
MC Mitsui Chemicals: 3 patents #648 of 2,279Top 30%
TC Tomy Kogyo Co.: 3 patents #37 of 149Top 25%
TC Toshiba America Electronic Components: 3 patents #7 of 77Top 10%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
VC Valeo Japan Co.: 3 patents #4 of 106Top 4%
KC Kokusan Denki Co.: 2 patents #45 of 128Top 40%
YH Yakult Honsha: 2 patents #102 of 410Top 25%
SL Shiseido Company, Limited: 2 patents #353 of 1,112Top 35%
SP Shizuoka Prefecture: 2 patents #4 of 58Top 7%
PH Pharmadesign: 2 patents #6 of 23Top 30%
SU Subaru: 2 patents #474 of 1,684Top 30%
JT Jtekt: 2 patents #749 of 1,969Top 40%
Pioneer Electronic: 2 patents #804 of 1,840Top 45%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
AA Autoliv Development Ab: 2 patents #289 of 1,363Top 25%
NC Nittan Valve Co.: 2 patents #26 of 98Top 30%
HS Hitachi Hokkai Semiconductor: 2 patents #30 of 98Top 35%
SU Subaru: 2 patents #413 of 1,436Top 30%
TE Tohoku Pioneer Electronic: 2 patents #9 of 73Top 15%
ML Mitsubishi Electric Lighting: 1 patents #8 of 29Top 30%
MI Mitsui Toatsu Chemicals, Incorporated: 1 patents #880 of 1,543Top 60%
NT NTT: 1 patents #2,911 of 4,871Top 60%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
HE Hitachi, Vlsi Eng.: 1 patents #1 of 28Top 4%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
SC Seiko Electronic Components: 1 patents #18 of 47Top 40%
AC Amada Co.: 1 patents #242 of 479Top 55%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
SS Silver Seiko: 1 patents #18 of 49Top 40%
SL Spansion Llc.: 1 patents #435 of 769Top 60%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
FL Fujitsu Semiconductor Limited: 1 patents #612 of 1,301Top 50%
Tdk: 1 patents #2,493 of 3,796Top 70%
AR Arkray: 1 patents #203 of 354Top 60%
TC Tomy Company: 1 patents #128 of 226Top 60%
ZG Zexel Gmbh: 1 patents #175 of 348Top 55%
📍 Takasaki, TX: #1 of 1 inventorsTop 100%
Overall (All Time): #1,048 of 4,157,543Top 1%
326
Patents All Time

Issued Patents All Time

Showing 251–275 of 326 patents

Patent #TitleCo-InventorsDate
5183731 Silver halide color photographic light-sensitive material containing epoxy compound Nobuo Furutachi 1993-02-02
5182339 Pyrazoloazoleazomethine dyes Shigeki Yokoyama, Tadahisa Sato, Keizo Kimura, Nobuo Furutachi 1993-01-26
5176989 Silver halide color photographic material Masakazu Morigaki 1993-01-05
5169742 Silver halide color photographic material and a method for forming a color image Junichi Yamanouchi 1992-12-08
5162197 Silver halide photographic material Kozo Aoki 1992-11-10
5126482 Process for producing fluorine-containing carboxylic acids Takeshi Nakai 1992-06-30
5120636 Silver halide color photographic material containing magenta coupler, specific organic solvent and bisphenol compound Hideaki Naruse 1992-06-09
5118812 Pyrazoloazole series couplers Shigeki Yokoyama, Tadahisa Sato, Keizo Kimura, Nobuo Furutachi 1992-06-02
5108876 Color photographs and process for making the same Masakazu Morigaki, Nobuo Seto, Hideaki Naruse 1992-04-28
5098805 Color photographs, a process for preparing them and color photographic material employed therefor Nobuo Furutachi, Masakazu Morigaki 1992-03-24
5082764 Silver halide color photographic material and method for forming color image 1992-01-21
5066575 Silver halide color photographic material containing pyrazolo (1,5-b)(1,2,4)triazole magenta coupler Tadahisa Sato, Hideaki Naruse, Yuki Mizukawa 1991-11-19
5061140 Method of manufacturing a metal container Masami Hamaguchi, Hiromu Yanagihara, Osamu Hiraoka 1991-10-29
5057408 Silver halide color photographic materials Tsumoru Hirano 1991-10-15
5055386 Silver halide color photographic materials with polymer particles Tsumoru Hirano, Haruyoshi Gotou 1991-10-08
5047315 Silver halide color photographic material Masakazu Morigaki 1991-09-10
5041641 Pentafluorophenyl derivatives, methods of production thereof, and method of optical resolution of chiral carboxylic acids Keizo Furuhashi, Junko Umezawa 1991-08-20
5041365 Silver halide color photographic materials Hideaki Naruse, Masakazu Morigaki, Nobutaka Ohki, Nobuo Furutachi 1991-08-20
5037730 Silver halide photographic light-sensitive material containing a cyan coupler and epoxy compound Kozo Aoki 1991-08-06
5034289 Alkaline storage battery and method of producing negative electrode thereof Kohji Yuasa, Munehisa Ikoma, Hiroshi Kawano, Isao Matsumoto 1991-07-23
5026867 Pyrazoloazoleazomethine dyes Shigeki Yokoyama, Tadahisa Sato, Keizo Kimura, Nobuo Furutachi 1991-06-25
5024924 Method for processing silver halide color photographic materials Hideaki Naruse, Nobutaka Ohki, Michio Ono 1991-06-18
5021328 Silver halide color photographic materials 1991-06-04
5019490 Silver halide photographic materials Hidetoshi Kobayashi 1991-05-28
5009989 Silver halide photographic material Kozo Aoki 1991-04-23