Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9933371 | Visual inspection apparatus and visual inspection method | — | 2018-04-03 |
| 9256930 | X-ray inspection method and device | — | 2016-02-09 |
| PP26188 | Primula plant named ‘HAK-P-02’ | — | 2015-12-01 |
| PP26163 | Primula plant named ‘HAK-P-01’ | — | 2015-11-24 |
| 5093315 | Dieting agents comprising .alpha.-amylase inhibiting substances | Koji Maeda, Hidehiko Takahashi | 1992-03-03 |
| 5008266 | 4(3H)-quinazolinone derivatives and pharmaceutical compositions | Toshihiro Takahashi, Tatsuo Horaguchi, Koichi Nakamaru | 1991-04-16 |
| 4933342 | Quinoxaline derivatives and antiulcer agents | Toshihiro Takahashi, Koichiro Hagihara, Koichi Nakamaru | 1990-06-12 |
| 4925843 | 2-pyridylmethylthio derivatives as antiulcer agents | Toshihiro Takahashi, Koichiro Hagihara, Koichi Nakamaru | 1990-05-15 |
| 4886803 | Benzimidazole derivatives | Noriyoshi Sueda, Toshiji Sugai, Hiroaki Yamada, Makoto Yanai | 1989-12-12 |
| 4877797 | 1,4-Dihydropyridine derivatives and pharmaceutical compositions containing same | Hiroaki Satoh, Hiroyasu Koyama, Toshiji Sugai, Koichi Watanabe | 1989-10-31 |
| 4861780 | 4(3H)-quinazolinone derivatives and pharmaceutical compositions | Toshihiro Takahashi, Tatsuo Horaguchi, Koichi Nakamaru | 1989-08-29 |
| 4833144 | 2-Alkylsulfinyl-4(3H)-quinazolinone derivatives and pharmaceutical compositions | Toshihiro Takahashi, Tatsuo Horaguchi, Koichi Nakamaru | 1989-05-23 |
| 4829069 | 4-Thioquinazoline derivatives as antiulcer agents | Toshihiro Takahashi, Koichi Nakamaru, Tatsuo Horaguchi | 1989-05-09 |
| 4757071 | 1,4-dihydropyridine derivatives, and pharmaceutical compositions containing same, useful for treating cardiovascular diseases | Hiroyasu Koyama, Koichiro Hagihara | 1988-07-12 |
| 4659833 | Optically active isocarbostyril derivatives and a method of preparing the same | Toshihiro Takahashi, Noriyoshi Sueda, Masahiro Tsuji, Yoshiyuki Tahara, Hiroyasu Koyama +2 more | 1987-04-21 |
| 4555365 | Isoprenylic acid amide derivatives | Yoshiyuki Tahara, Toshihiro Takahashi, Hiroyasu Koyama, Masatoshi Yasuda | 1985-11-26 |
| 4526893 | Isocarbostyril derivatives | Toshihiro Takahashi, Noriyoshi Sueda, Masahiro Tsuji, Yoshiyuki Tahara, Hiroyasu Koyama +2 more | 1985-07-02 |
| 4517365 | Isocarbostyril derivative | Hiroyasu Koyama, Masahiro Tsuji | 1985-05-14 |