Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844785 | Method for deposition of hard carbon film | Makoto Kitabatake | 1989-07-04 |
| 4796982 | Optical valve | Makoto Kitabatake, Kentaro Setsune | 1989-01-10 |
KW
Kiyotaka Wasa
Overall (1989): #22,074 of 140,708Top 20%
2
Patents 1989