Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D933137 | Toy block | — | 2021-10-12 |
| 5147742 | Photomask and fabrication of the same | Kazuo Tokitomo | 1992-09-15 |
| 5126220 | Reticle for photolithographic patterning | Kazuo Tokitomo, Kenji Sugishima | 1992-06-30 |
| 4500789 | Electron beam exposing method | Toshihiko Osada | 1985-02-19 |
| 4487795 | Method of forming patterned conductor lines | Hiroshi Yasuda | 1984-12-11 |