Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875033 | Graphics input apparatus | Michitaka Oshima | 1989-10-17 |
| 4873073 | Method for production of bismuth (III) oxide | Haruo Matsui, Ippei Nakagawa | 1989-10-10 |
KK
Kiyotaka Kato
Ministry Of International Trade & Industry: 1 patents #3 of 62Top 5%
Agency Of Industrial Science And Technology: 1 patents #3 of 135Top 3%
Overall (1989): #22,162 of 140,708Top 20%
2
Patents 1989