Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6174390 | Spiral parts heat treatment apparatus and method, and spiral part | Tsuyoshi Baba | 2001-01-16 |
| 6141514 | Component reusing system, product capable of being easily disassembled, and disassembling method | Ryohei Inaba, Atsuo Tsunoda | 2000-10-31 |
| 5246476 | Method for manufacturing optical elements with selective heating and pressing | Fumitaka Yoshimura | 1993-09-21 |
| 4913718 | Molding method for optical element and apparatus therefor | Fumitaka Yoshimura, Isamu Shigyo | 1990-04-03 |