Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6271416 | Quinolinone derivative, method for preparing the same, and anti-allergic agent | Hidetsugu Takagaki, Shinobu Yamaguchi, Mitsuru Sakai, Osamu Misumi | 2001-08-07 |
| 6136822 | Quinolinone derivative, method for preparing the same, and anti-allergic agent | Hidetsugu Takagaki, Shinobu Yamaguchi, Mitsuru Sakai, Osamu Misumi | 2000-10-24 |
| 6114352 | Quinolinone derivative and anti-allergic agent with said quinolinone derivative as the active ingredient | Hidetsugu Takagaki, Mitsuru Sakai, Yasuo Aoki, Shigenori Nakanishi, 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, Shigenori Nakanishi, Osamu Misumi | 1999-11-09 |
| 5942521 | Quinolinone derivative and anti-allergic agent with said quinolinone derivative as the active ingredient | Hidetsugu Takagaki, Mitsuru Sakai, Yasuo Aoki, Shigenori Nakanishi, Nobuyuki Kimura +1 more | 1999-08-24 |
| 5580552 | 7-glycosyloxybenzopyran derivative and antiallergic agent containing the derivative as active ingredient | Hidetsugu Takagaki, Yasuo Aoki, Mitsuru Sakai, Nobuyuki Kimura | 1996-12-03 |
| 5525595 | 3- or 4-glycosyloxybenzopyran derivative and antiallergic agent containing the derivative as active ingredient | Hidetsugu Takagaki, Yasuo Aoki, Yoshiyuki Sano, Mitsuru Sakai, Nobuyuki Kimura | 1996-06-11 |
| 5428059 | Benzopyran derivatives and an anti-allergic agent possessing the same as the active ingredient | Hidetsugu Takagaki, Mitsuru Sakai, Hiromu Takahashi, Kazuhiko Inazawa, Nobuyuki Kimura | 1995-06-27 |
| 5068364 | Chalcone derivatives and process for producing the same | Hidetsugu Takagaki, Shigenori Nakanishi, Hiromi Ohki, Yoshiyuki Sano | 1991-11-26 |
| 4874855 | Steroid compounds and process of preparing the same | Hidetsugu Takagaki, Michihiro Watanabe, Kazuyuki Takeuchi, Shigenori Nakanishi, Yuuko Nakata +1 more | 1989-10-17 |