OI

Osamu Iwamoto

DL Daiichi Sankyo Company, Limited: 11 patents #16 of 842Top 2%
WI Wako Pure Chemical Industries: 1 patents #164 of 377Top 45%
Overall (All Time): #396,838 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
12297187 Compound having cyclic structure Toru Taniguchi, Keiji Saito, Katsuyoshi Nakajima, Yasuyuki Ogawa, Nobuya Kurikawa +3 more 2025-05-13
12091395 Griseofulvin compound Keiji Saito, Katsuyoshi Nakajima, Toru Taniguchi, Satoshi Shibuya, Yasuyuki Ogawa +9 more 2024-09-17
11981686 Urea compound having substituent Junya Kawai, Yuma Umezaki, Katsuyoshi Nakajima, Hiroyuki Tsuruoka, Keiji Saito +8 more 2024-05-14
11834427 Griseofulvin compound Keiji Saito, Katsuyoshi Nakajima, Toru Taniguchi, Satoshi Shibuya, Yasuyuki Ogawa +9 more 2023-12-05
11512067 Compound having cyclic structure Toru Taniguchi, Keiji Saito, Katsuyoshi Nakajima, Yasuyuki Ogawa, Nobuya Kurikawa +3 more 2022-11-29
11472784 Griseofulvin compound Keiji Saito, Katsuyoshi Nakajima, Toru Taniguchi, Satoshi Shibuya, Yasuyuki Ogawa +9 more 2022-10-18
10975052 Griseofulvin compound Keiji Saito, Katsuyoshi Nakajima, Toru Taniguchi, Satoshi Shibuya, Yasuyuki Ogawa +9 more 2021-04-13
10654821 Griseofulvin compound Keiji Saito, Katsuyoshi Nakajima, Toru Taniguchi, Satoshi Shibuya, Yasuyuki Ogawa +9 more 2020-05-19
10570109 Griseofulvin compound Keiji Saito, Katsuyoshi Nakajima, Toru Taniguchi, Satoshi Shibuya, Yasuyuki Ogawa +9 more 2020-02-25
9670173 Dicarboxylic acid compound Yoshikazu Uto, Mikio Kato, Hidenori Takahashi, Yasuyuki Ogawa, Hiroko Kono +1 more 2017-06-06
9617232 Dicarboxylic acid compound Yoshikazu Uto, Mikio Kato, Hidenori Takahashi, Yasuyuki Ogawa, Hiroko Kono +1 more 2017-04-11
5359085 Fulgimide derivatives Taizo Hara, Haruhiko Sugiyama 1994-10-25