AK

Akiharu Kajiwara

EI Eisai: 21 patents #30 of 998Top 4%
EC Eisai R&D Management Co.: 1 patents #478 of 817Top 60%
📍 Ibaraki, JP: #355 of 6,779 inventorsTop 6%
Overall (All Time): #198,329 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
7304083 2-iminoimidazole derivatives (2) Shuichi Suzuki, Makoto Kotake, Mitsuaki Miyamoto, Tetsuya Kawahara, Ieharu Hishinuma +22 more 2007-12-04
7244730 2-iminopyrrolidine derivatives Shuichi Suzuki, Makoto Kotake, Mitsuaki Miyamoto, Tetsuya Kawahara, Ieharu Hishinuma +22 more 2007-07-17
6825192 Heterodiazinone derivatives Koichi Ito, Noritaka Kitazawa, Satoshi Nagato, Tatsuto Fukushima, Shinji Hatakeyama +4 more 2004-11-30
6288128 .beta.,.gamma.-dihydropolyprenyl alcohol derivatives and pharmaceutical composition containing a polyprenyl compound Masaichi Yamamoto, Seiichi Araki, Hiroshi Yamamoto, Isao Yamatsu, Takeshi Suzuki +2 more 2001-09-11
6281214 Biphenyl derivatives Kozo Akasaka, Masahiro Yonaga, Kunizo Higurashi, Kohshi Ueno, Satoshi Nagato +10 more 2001-08-28
6111131 Beta, gamma-dihydropolyprenyl alcohol derivatives and pharmaceutical composition containing a polyprenyl compound Masaichi Yamamoto, Seiichi Araki, Hiroshi Yamamoto, Isao Yamatsu, Takeshi Suzuki +2 more 2000-08-29
5849912 Biphenyl derivatives Kozo Akasaka, Masahiro Yonaga, Kunizo Higurashi, Kohshi Ueno, Satoshi Nagato +10 more 1998-12-15
5658958 .beta., .gamma.-dihydropolyprenyl alcohol derivatives effective at mitigating stress in animals Masaichi Yamamoto, Seiichi Araki, Hiroshi Yamamoto, Isao Yamatsu, Takeshi Suzuki +2 more 1997-08-19
5475014 Oxazolidone derivative Kozo Akasaka, Satoshi Nagato, Youichi Iimura, Ichirou Yoshida, Atsushi Sasaki +4 more 1995-12-12
5280048 .beta.,.gamma.-dihydropolyprenyl alcohol derivatives and pharmaceutical composition containing a polyprenyl compound Masaichi Yamamoto, Seiichi Araki, Hiroshi Yamamoto, Isao Yamatsu, Takeshi Suzuki +2 more 1994-01-18
4888439 Polyprenyl compound and pharmaceutical use Isao Yamatsu, Takeshi Suzuki, Shinya Abe, Kouji Nakamoto, Manabu Murakami +2 more 1989-12-19
4883916 Polyprenyl Compounds Kouji Nakamoto, Takeshi Suzuki, Shinya Abe, Kenji Hayashi, Isao Yamatsu +2 more 1989-11-28
4791105 Therapeutic and preventive agent containing dolichol Isao Yamatsa, Takeshi Suzuki, Shinya Abe, Kouji Nakamoto, Kouichi Katayama +4 more 1988-12-13
4788330 Polyprenyl compounds Kouji Nakamoto, Takeshi Suzuki, Shinya Abe, Kenji Hayashi, Isao Yamatsu +2 more 1988-11-29
4782151 Polyprenyl compound and pharmaceutical use Isao Yamatsu, Takeshi Suzuki, Shinya Abe, Kouji Nakamoto, Manabu Murakami +2 more 1988-11-01
4762829 Polyprenyl compound, process for the production thereof and drug containing the same Isao Yamatsu, Takeshi Suzuki, Shinya Abe, Kouji Nakamoto, Tohru Fujimori +2 more 1988-08-09
4742058 Polyprenyl compound, process for the production thereof and drug containing the same Isao Yamatsu, Takeshi Suzuki, Shinya Abe, Kouji Nakamoto, Tohru Fujimori +2 more 1988-05-03
4624966 .beta.,.gamma.-dihydropolyprenyl alcohol derivatives and pharmaceutical composition containing a polyprenyl compound Masaichi Yamamoto, Seiichi Araki, Hiroshi Yamamoto, Isao Yamatsu, Takeshi Suzuki +2 more 1986-11-25
4613593 Therapeutic and preventive agent containing dolichol Isao Yamatsu, Takeshi Suzuki, Shinya Abe, Kouji Nakamoto, Kouichi Katayama +4 more 1986-09-23
4603126 Therapeutic and preventive agent containing dolichol Isao Yamatsu, Takeshi Suzuki, Shinya Abe, Kouji Nakamoto, Kouichi Katayama +4 more 1986-07-29
4599328 Therapeutic and preventive agent containing dolichol Isao Yamatsu, Takeshi Suzuki, Shinya Abe, Kouji Nakamoto, Kouichi Katayama +4 more 1986-07-08
4522759 Polyprenylcarboxylic acid amides Isao Yamatsu, Takeshi Suzuki, Shinya Abe, Kiichiro Ota 1985-06-11