Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4710373 | Long wavelength ultraviolet ray absorber | Koichi Nakamura, Michihiro Hattori, Tadashi Tamura, Naotake Takaishi, Genji Imokawa +1 more | 1987-12-01 |
| 4704473 | 4-methoxy-2'-carboxydibenzoylmethane and its salts | Koichi Nakamura, Kimihiko Hori, Michihiro Hattori, Genji Imokawa, Naotake Takaishi | 1987-11-03 |