Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10235210 | Operation management method and operation management apparatus | Takeya Mutoh, Tokutomi NAGAO, Toshihide Miyagi, Yuta KIYOUMI, Akiko Matsumoto +1 more | 2019-03-19 |
| 5953703 | Method of selecting lens color for eyeglasses | Kunie Takeuchi, Ryuto Fujie | 1999-09-14 |
| 5576778 | Design system for designing shapes of eyeglasses | Ryuto Fujie, Kunie Takeuchi | 1996-11-19 |