Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6007712 | Waste water treatment apparatus | Eiji Tanaka, Tamio Higashi, Takanori Kitamura, Takeshi Matsuda, Hiroaki Fujii +3 more | 1999-12-28 |
| 5310827 | Polyamide copolymers | Yukiatsu Komiya, Masao Ishida, Koji Hirai, Setuo Yamashita, Takuji Okaya | 1994-05-10 |
| 5093437 | Polyamide copolymers | Yukiatsu Komiya, Masao Ishida, Koji Hirai, Setuo Yamashita, Takuji Okaya | 1992-03-03 |