YK

Yoshiharu Kikuchi

MC Mitsui Chemicals: 18 patents #44 of 2,279Top 2%
MI Mitsui Petrochemical Industries: 7 patents #97 of 1,024Top 10%
NK Nihon Kohden: 3 patents #128 of 467Top 30%
HC Hitachi Engineering Co.: 3 patents #77 of 572Top 15%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
SC Shin-Etsu Chemical Co.: 2 patents #1,026 of 2,176Top 50%
YC Yuken Industry Co.: 1 patents #8 of 28Top 30%
HE Hitachi-Ge Nuclear Energy: 1 patents #139 of 313Top 45%
TC Ts Tech Co.: 1 patents #323 of 561Top 60%
TS Tsugami: 1 patents #7 of 13Top 55%
DI Daikin Industries: 1 patents #1,764 of 2,957Top 60%
📍 Sodegaura, JP: #2 of 6 inventorsTop 35%
Overall (All Time): #95,750 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
6391413 Raw rubber lapping film Keiji Okada, Takashi Hakuta 2002-05-21
6333955 Control rod and manufacturing method for the control rod Norio Kawashima, Yasuyuki Gotoh, Yasuhiro Aizawa, Akira Koizumi, Kouichi Machida 2001-12-25
6028906 Manufacturing method of control rod for boiling water reactor Norio Kawashima, Yasuyuki Gotoh, Akira Koizumi, Kouichi Machida, Takayoshi Yasuda +1 more 2000-02-22
5470919 Chlorinated ethylene/.alpha.-olefin copolymer rubber and composition containing the same Tetsuo Tojo, Muneyuki Matsumoto 1995-11-28
5310818 Vulcanizable chlorine-containing rubber compositions containing triazinethiol amine salt vulcanizing agents Tetsuo Tojo, Keiji Okada, Takashi Nakahara 1994-05-10
5237010 Chlorinated ethylene-.alpha.-olefin copolymer rubber and composition Tetsuo Tojo, Keiji Okada, Yasuhiko Otawa, Toshiyuki Maeda, Katsuo Okamoto 1993-08-17
5206305 Chlorinated ethylene-alpha-olefin copolymer rubber and composition thereof Tetsuo Tojo, Keiji Okada, Yasuhiko Otawa, Toshiyuki Maeda, Katsuo Okamoto 1993-04-27
5076967 Semiconductive rubber foam Tetsuo Tojo, Keiji Okada 1991-12-31
5041329 Vulcanized rubber article and process for the preparation of the same Tetsuo Tojo, Keiji Okada 1991-08-20
5004787 Vulcanizable rubber composition with triazine thiols Tetsuo Tojo, Keiji Okada, Takashi Nakahara 1991-04-02