Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6242425 | Quinolinone glycoside, production process, and anti-allergic agent | Hidetsugu Takagaki, Nobuyuki Kimura, Shinobu Yamaguchi, Yasuo Aoki | 2001-06-05 |
| 6114352 | Quinolinone derivative and anti-allergic agent with said quinolinone derivative as the active ingredient | Hidetsugu Takagaki, Masayoshi Abe, Mitsuru Sakai, Yasuo Aoki, Nobuyuki Kimura +1 more | 2000-09-05 |
| 5981495 | Benzopyran derivative and method for treating heart disease using this derivative | Hidetsugu Takagaki, Nobuyuki Kimura, Yasuo Aoki, Masayoshi Abe, Osamu Misumi | 1999-11-09 |
| 5942521 | Quinolinone derivative and anti-allergic agent with said quinolinone derivative as the active ingredient | Hidetsugu Takagaki, Masayoshi Abe, Mitsuru Sakai, Yasuo Aoki, Nobuyuki Kimura +1 more | 1999-08-24 |
| 5068364 | Chalcone derivatives and process for producing the same | Hidetsugu Takagaki, Masayoshi Abe, Hiromi Ohki, Yoshiyuki Sano | 1991-11-26 |
| 4874855 | Steroid compounds and process of preparing the same | Hidetsugu Takagaki, Masayoshi Abe, Michihiro Watanabe, Kazuyuki Takeuchi, Yuuko Nakata +1 more | 1989-10-17 |
| 4525303 | Process for preparation of steroids | Hidetsugu Takagaki, Yasuyuki Tanaka, Michihiro Watanabe, Yoriko Yonehara | 1985-06-25 |