ST

Shigeo Tanaka

SO Sony: 26 patents #1,436 of 25,231Top 6%
KO Konica: 25 patents #28 of 1,958Top 2%
Fujitsu Limited: 10 patents #3,161 of 24,456Top 15%
KC Konishiroku Photo Industry Co.: 5 patents #175 of 894Top 20%
TC Taisei Kogyo Co.: 5 patents #1 of 7Top 15%
NC Nihon Parkerizing Co.: 4 patents #11 of 330Top 4%
SC Sumitomo Chemical: 4 patents #1,124 of 4,033Top 30%
HL Henkel Limited: 4 patents #142 of 861Top 20%
SC Shin-Etsu Chemical Co.: 3 patents #839 of 2,176Top 40%
DC Diesel Kiki Co.: 2 patents #108 of 366Top 30%
HC Hitachi Chemical Company: 2 patents #701 of 1,946Top 40%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
TO Toshiba: 2 patents #606 of 2,688Top 25%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
NC Nippon Steel Chemical Co.: 1 patents #136 of 380Top 40%
TC Taki Chemical Co.: 1 patents #20 of 65Top 35%
KC Konishiroku Photo Ind. Co.: 1 patents #9 of 38Top 25%
SC Showa Denko Materials Co.: 1 patents #135 of 270Top 50%
Overall (All Time): #15,468 of 4,157,543Top 1%
97
Patents All Time

Issued Patents All Time

Showing 76–97 of 97 patents

Patent #TitleCo-InventorsDate
4927472 Conversion coating solution for treating metal surfaces Yasunobu Matsushima, Tomoyuki Aoki, Yohji Ono 1990-05-22
4914016 Silver halide photographic light-sensitive material and processing method therefor Masanobu Miyoshi, Makoto Kajiwara, Mitsuhiro Okumura 1990-04-03
4883842 Resin composition Jiro Sakai, Tomohisa Fukao, Kizuku Wakatsuki, Kazuki Wakamatsu 1989-11-28
4863844 Gold and sulfur sensitized silver halide light-sensitive photographic material Mitsuhiro Okumura, Keiji Ohbayashi 1989-09-05
4863846 Silver halide photographic light-sensitive material Mitsuhiro Okumura, Makoto Kajiwara, Masanobu Miyoshi 1989-09-05
4848214 Supply and return air plenum unit for duct air-conditioning systems Teruyuki Nagao 1989-07-18
4830958 Silver halide photographic light-sensitive material which is excellent in rapid processability and has not very much sensitivity variation caused by a change on standing in the preparation of the light-sensitive material Mitsuhiro Okumura, Keiji Ohbayashi 1989-05-16
4818671 Rapidly processable silver halide color photosensitive material Keiji Ohbayashi, Mitsuhiro Okumura, Takaaki Kojima 1989-04-04
4815362 Diffuser unit for air conditioning system Yutaka Ishizuka, Masanori Kaizaki 1989-03-28
4784938 Silver halide photographic light-sensitive material Keiji Obhayashi, Shinichi Nakamura, Mitsuhiro Okumura, Masanobu Miyoshi, Makoto Kajiwara +2 more 1988-11-15
4743978 Recording/reproduction system with a fine picture quality for a helical scan-type video tape recorder 1988-05-10
4564591 Silver halide color photographic material Kaoru Onodera 1986-01-14
4517284 Light-sensitive silver halide photographic material Nobuaki Kagawa, Noboru Fujimori, Kaoru Onodera 1985-05-14
4499238 Thermoplastic resin products having pearl-like luster Nobutoshi Iwata, Kiyoshi Fukushima, Shinji Fujino, Takeshiro Yamada, Hideyuki Hao +1 more 1985-02-12
4492789 Epoxy resin composition Kazuhide Nakashima, Takayuki Saito, Takeshi Nakahara 1985-01-08
4472496 Process for preparing silver halide emulsion Kaoru Onodera 1984-09-18
4469785 Light-sensitive silver halide color photographic material Kaoru Onodera, Noboru Fujimori 1984-09-04
4422112 Magnetic recording and reproducing apparatus 1983-12-20
4312964 Polyolefin resin composition Noriyuki Sekine, Kazuo Tanaka 1982-01-26
4304838 Photopolymerizable composition and recording materials utilizing the same Eiichi Hasegawa, Hisatake Ono 1981-12-08
4302837 FM Multiplex system for selectively delaying one of two audio signals Keitaro Yamashita 1981-11-24
4243921 Digital servo system for rotating member Masaaki Tamura 1981-01-06