Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835133 | Recording material | Naoto Yanagihara, Kensuke Ikeda, Masato Satomura, Ken Iwakura | 1989-05-30 |
YW
Yuichi Wakata
Overall (1989): #39,206 of 140,708Top 30%
1
Patents 1989