AI

Akio Imai

SC Sumitomo Chemical: 37 patents #36 of 4,033Top 1%
SI Sumitomo Rubber Industries: 9 patents #235 of 1,637Top 15%
EC Eisai R&D Management Co.: 3 patents #243 of 817Top 30%
DE Denso: 3 patents #3,857 of 11,792Top 35%
EI Eisai: 3 patents #344 of 998Top 35%
IC Idemitsu Kosan Co.: 2 patents #509 of 1,237Top 45%
SH Shimadzu: 1 patents #1,152 of 2,007Top 60%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
EC Eisai Chemical Co.: 1 patents #16 of 27Top 60%
📍 Tsukuba, JP: #29 of 2,818 inventorsTop 2%
Overall (All Time): #51,946 of 4,157,543Top 2%
51
Patents All Time

Issued Patents All Time

Showing 1–25 of 51 patents

Patent #TitleCo-InventorsDate
12306145 Inspection apparatus Takayuki Sato 2025-05-20
11396832 Valve timing adjusting device Kazuaki NEMOTO 2022-07-26
11225619 Aviation biofuel base material, aviation biofuel including same, and method for manufacturing aviation biofuel Yasuyo Saito, Mitsuru Koike, Hiroyuki Tooi 2022-01-18
10968408 Gasoline composition and production process therefor Yasuyo Okuyama, Mitsuru Koike, Shinya Sasaki 2021-04-06
8127729 Valve timing control apparatus Hiroki Takahashi 2012-03-06
7828232 Injection valve having nozzle hole Ryutaro Oomori, Tetsuharu Matsuo 2010-11-09
7795438 Processes for producing 1-benzyl-4-[(5,6-dimethoxy-1indanon)-2-yl]methylpiperidine and hydrochloride Hiroshi Nishimura 2010-09-14
7479563 Method of producing polymorphic crystals of donepezil hydrochloride Akihiko Shimotani 2009-01-20
7332606 Process for producing 1-benzyl-4-[(5,6-dimethoxy-1-indanon)-2-yl]methylpiperidine or hydrochloride thereof 2008-02-19
6838412 α-Olefin polymerization catalyst and process for producing α-olefin polymer Makoto Satoh, Yasuki Fujiwara 2005-01-04
6659381 Light-shielding cloth for photographic film cartridge and photographic film cartridge Satoru Tsurumaki 2003-12-09
6333388 Aluminum compound-containing solid catalyst component, catalyst for olefin polymerization and method for producing olefin polymer Shin-ichi Kumamoto, Hiroaki Katayama 2001-12-25
6331501 Catalyst for .alpha.-olefin polymerization and process for producing .alpha.-olefin polymer Makoto Satoh, Yasuki Fujiwara 2001-12-18
6329478 Transition metal complex, process for producing the same, olefin polymerization catalyst containing the transition metal complex and process for producing olefin polymers Hiroaki Katayama, Masaaki Nabika, Akira Miyashita, Tsuyoshi Watanabe, Hirofumi Johohji +2 more 2001-12-11
6245911 Donepezil polycrystals and process for producing the same Toshiyuki Ichinohe, Takashi Endo, Tomio Tsurugi, Makoto Uemura 2001-06-12
6187883 Solid catalyst component for .alpha.-olefin polymerization, catalyst for .alpha.-olefin polymerization, and process for producing .alpha.-olefin polymer Makoto Satoh, Teruyoshi Kiyota 2001-02-13
6140321 Polymorphs of donepezil hydrochloride and process for production Hideaki Watanabe, Takashi Kajima, Yasushi Ishihama, Akiyo Ohtsuka, Tomohide Tanaka 2000-10-31
6133189 .alpha.-olefin polymerization catalyst and process for producing .alpha.-olefin polymer Yasuki Fujiwara, Makoto Satoh 2000-10-17
6100213 Aluminum compound-containing solid catalyst component, catalyst for olefin polymerization and method for producing olefin polymer Shin-ichi Kumamoto, Hiroaki Katayama 2000-08-08
6066704 Transition metal complex, catalyst for olefin polymerization, and process for producing olefin polymers Hiroaki Katayama, Hidenori Hanaoka, Norio Kawamura, Akira Miyashita 2000-05-23
6051526 .alpha.-olefin polymerization catalyst and process for producing .alpha.-olefin polymer Makoto Satoh, Yasuki Fujiwara 2000-04-18
5985864 Polymorphs of donepezil hydrochloride and process for production Hideaki Watanabe, Takashi Kajima, Yasushi Ishihama, Akiyo Ohtsuka, Tomohide Tanaka +1 more 1999-11-16
5854164 Method for preparing catalyst component for olefin polymerization, catalyst for olefin polymerization and process for producing olefin polymer with the catalyst Hiroyuki Shiraishi, Eiji Nakaishi, Takahiro Hino 1998-12-29
5608018 .alpha.-olefin polymerization catalyst system and process for producing .alpha.-olefin catalyst Takeshi Ebara, Teruyosi Kiyota 1997-03-04
5428173 Process for the preparation of aminothiadiazolylacetyl halide derivtives Takeo Kanai, Katsuhiko Sato, Homare Shinohara, Kazumi Oishi 1995-06-27