Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5458877 | Antibacterial and antipupation composition | Yasuhiro Matsumura, Hiroyuki Takahata | 1995-10-17 |
| 5298241 | Spirogyra controlling and deodorant composition | Yasuhiro Matsumura, Akitoshi Mochida | 1994-03-29 |
| 5149534 | Spirogyra controlling and deodorant composition | Yasuhiro Matsumura, Akitoshi Mochida | 1992-09-22 |
| 4886656 | Agricultural composition with reduced toxicity to fishes and shellfishes | Chikara Tanabayashi, Akiyoshi Asaka, Yukio Gotou | 1989-12-12 |