Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881343 | Seed colorant | Takanori Sannan, Mitsutaka Seki, Shinya Tsuchida | 1989-11-21 |
| 4869532 | Prints and production method thereof | Yoshio Abe, Shozo Ohira, Michiei Nakamura, Masaru Hasegawa, Kimihide Kawamura +4 more | 1989-09-26 |
| 4853429 | Seed colorant | Takanori Sannan, Mitsutaka Seki, Shinya Tsuchida | 1989-08-01 |