Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5420177 | Method for producing colored and exactly spherical fine-grains of polymer | Ken Ohkura, Yukio Shinagawa | 1995-05-30 |
| 5059639 | Method for producing a matt paint | Ken Ohkura, Yukio Shinagawa | 1991-10-22 |