Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7081256 | Quinolinone derivative pharmaceutical compositon and production method therefor | Ryuji Kubota, Hiroshi Araya, Kouki Obata, Hiroyuki Fukui, Hidetsugu Takagaki | 2006-07-25 |
| 6706733 | Quinolinone derivative formulation and its production method | Hiroyuki Fukui, Hidetsugu Takagaki, Nahoko Muratake | 2004-03-16 |
| 6670391 | Benzopyran derivative and antiallergic agent | Hidetsugu Takagaki, Shingo Tanabe, Yasuo Aoki | 2003-12-30 |
| 6627642 | Quinolinone derivative preparations and process for producing the same | Hiroyuki Fukui, Hidetsugu Takagaki, Nahoko Muratake | 2003-09-30 |
| 6242425 | Quinolinone glycoside, production process, and anti-allergic agent | Hidetsugu Takagaki, Shigenori Nakanishi, 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, Shigenori Nakanishi +1 more | 2000-09-05 |
| 5981495 | Benzopyran derivative and method for treating heart disease using this derivative | Hidetsugu Takagaki, Yasuo Aoki, Shigenori Nakanishi, 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, Shigenori Nakanishi +1 more | 1999-08-24 |
| 5580552 | 7-glycosyloxybenzopyran derivative and antiallergic agent containing the derivative as active ingredient | Hidetsugu Takagaki, Masayoshi Abe, Yasuo Aoki, Mitsuru Sakai | 1996-12-03 |
| 5525595 | 3- or 4-glycosyloxybenzopyran derivative and antiallergic agent containing the derivative as active ingredient | Hidetsugu Takagaki, Masayoshi Abe, Yasuo Aoki, Yoshiyuki Sano, Mitsuru Sakai | 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, Masayoshi Abe | 1995-06-27 |
| H1003 | Process for producing photographic materials | Masao Ishiwata, Norio Kawame, Takeshi Sakurai, Mieji Nakano, Kazuhide Tamazawa +2 more | 1991-12-03 |