Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11724323 | Reamer | Koji Sawa | 2023-08-15 |
| 11407047 | Reamer | Koji Sawa | 2022-08-09 |
| 10113135 | Perfuming method | Sachiko Nihei, Yasutomo Arai | 2018-10-30 |
| 7491833 | Valerolactone compounds and perfume composition | Kazuyuki Fukuda, Takahiro Asada | 2009-02-17 |
| 6506793 | Citral acetal | Shigeyoshi Tanaka, Shunichi Akiba, Katsutoshi Ara, Hirohiko Ishida | 2003-01-14 |
| 5011839 | 3(2H)pyridazinones for antagonistic agent against srs-a | Keizo Tanikawa, Ryozo Saloda, Kenichi Shikada | 1991-04-30 |
| 4978665 | 3(2H)pyridazinone, and antagonistic agent against SRS-A containing it | Keizo Tanikawa, Ryozo Sakoda, Ken-ichi Shikada | 1990-12-18 |
| 4885284 | Dihydropyridine-5-phosphonic acid cyclic propylene ester | Kiyotomo Seto, Ryozo Sakoda | 1989-12-05 |
| 4843076 | Dihydropyridine-5-phosphonic acid cyclic ester | Kiyotomo Seto, Ryozo Sakoda, Hiroo Matsumoto, Yoshimasa Kamikawaji | 1989-06-27 |
| 4839361 | Dihydropyridine-5-phosphonic acid cyclic propylene ester | Kiyotomo Seto, Ryozo Sakoda | 1989-06-13 |
| 4576934 | Antihypertensive dihydropyridine-5-phosphonic acid cyclic esters | Kiyotomo Seto, Ryozo Sakoda | 1986-03-18 |