AY

Akira Yokoyama

NC Nihon Medi-Physics Co.: 13 patents #5 of 201Top 3%
Canon: 8 patents #7,260 of 19,416Top 40%
Ricoh Company: 8 patents #2,692 of 9,818Top 30%
NC Nippon Carbon Co.: 5 patents #5 of 58Top 9%
MI Mitsui Petrochemical Industries: 3 patents #226 of 1,024Top 25%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
TO Tosoh: 2 patents #354 of 1,042Top 35%
CC Chugai Ro Co.: 2 patents #16 of 127Top 15%
CC Citizen Watch Co.: 2 patents #460 of 1,225Top 40%
SI Shinwa Chemical Industries: 2 patents #4 of 23Top 20%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
FP Fujimoto Pharmaceutical: 1 patents #9 of 20Top 45%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
SC Showa Highpolymer Co.: 1 patents #45 of 102Top 45%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
TI Toray Industries: 1 patents #2,000 of 3,690Top 55%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
BY Bbf Yamate: 1 patents #4 of 7Top 60%
Overall (All Time): #51,916 of 4,157,543Top 2%
51
Patents All Time

Issued Patents All Time

Showing 26–50 of 51 patents

Patent #TitleCo-InventorsDate
5739117 Agent for improving cerebral metabolism including glucose ester derivatives Fumio Yoneda 1998-04-14
5447624 Packings for liquid chromatography and process for producing the same Takanobu Kawai, Hiroshi Wakizaka, Hiroyuki Moriyama, Katsuo Komiya, Hiroshi Ichikawa 1995-09-05
5272126 Adsorption type packing for gas chromatography and process for producing the same Hiroshi Ichikawa, Keiichi Hirata 1993-12-21
5270280 Packing material for liquid chromatography and method of manufacturing thereof Hiroshi Ichikawa, Takanobu Kawai, Hiroyuki Moriyama, Katsuo Komiya, Yoshio Kato 1993-12-14
5246637 Method for producing electret filter Satoshi Matsuura, Yoshio Shinagawa 1993-09-21
5098784 Supports for gas chromatography comprising aggregates of finely divided carbon particles and process for preparing the same Hiroshi Ichikawa, Keiichi Hirata, Hiroo Wada, Kenzo Kotera 1992-03-24
5039730 Fiber reinforced heat-resistant polyolefin compositions 1991-08-13
5034212 Method of imaging using a radioactive glucosamine derivative Yasuhiro Magata 1991-07-23
4915931 Tc-99m mononuclide complex compound Yasushi Arano 1990-04-10
4836864 Method of gas carburizing and hardening Koji Murakami, Tsunao Shima, Yoshikazu Shimosato 1989-06-06
4814365 Curable resin composition Eiichiro Takiyama, Ryushi Ogura 1989-03-21
4807853 Continuous furnace for gas carburizing and hardening Koji Murakami, Tsunao Shima, Yoshikazu Shimosato 1989-02-28
4739060 Radioactive and non-radioactive iodobutyrophenone derivative Hideo Saji, Iwoa Nakatsuka, Masami Okuno 1988-04-19
D293085 Case for clinical thermometer 1987-12-08
4671201 Method and apparatus of automatically controlling sailboat 1987-06-09
4670508 Thermoplastic resin composition Akio Ohdaira, Michiharu Suga, Akifumi Kato, Toshio Kobayashi 1987-06-02
4645660 Increasing labeling efficiency by forming diagnostic agent in the presence of ascorbic acid or the like Keietsu Takahashi, Nobuo Ueda, Masaaki Hazue, Yoshiro Ohmomo 1987-02-24
4619823 Radioactive iodine labeled metaraminol and diagnostic agent containing platelets labeled therewith Yoshiro Ohmomo 1986-10-28
4559221 P-Glyoxyloylphenylalkanoic acid bis(thiosemicarbazone) derivatives, and their production and use Yasushi Arano, Yasuhiro Magata 1985-12-17
4511550 1-(p-Substituted or unsubstituted aminoalkyl)phenylpropane-1,2-dione bis(thiosemicarbazone) derivatives, and their production and use Yasushi Arano, Takeo Hosotani 1985-04-16
4444743 Radioactive diagnostic agent and its preparation Hisashi Tanaka, Akira Yamada, Yasushi Arano 1984-04-24
4425319 Radioactive diagnostic agent and non-radioactive carrier therefor Yoshiro Omomo, Hisashi Tanaka, Hideo Saji 1984-01-10
4356158 Process for producing carbon fibers Toshikatsu Ishikawa, Haruo Teranishi, Tetsuo Yanagi, Hirofumi Harada 1982-10-26
4338248 2-Oxopropionaldehyde bis(thiosemicarbazone) protein derivatives, and their production and use Yasushi Arano 1982-07-06
4287362 2-Oxopropionaldehyde bis(thiosemicarbazone) derivatives Yasushi Arano 1981-09-01