Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5766294 | Method and apparatus for producing an optical element using a molding block and a temperature effecting mechanism contacting the molding block for heat exchange | Kazuaki Takagi, Takashi Inoue, Shoji Nakamura | 1998-06-16 |
| 5626641 | Method of manufacturing a glass blank used for optical glass elements | Yoshiyuki Shimizu, Takashi Inoue, Toshihiko Muroi | 1997-05-06 |
| 5322541 | Method of producing glass blank | Yoshiyuki Shimizu, Shoji Nakamura, Masaaki Sunohara, Tadao Shioyama, Noriyuki Kawata | 1994-06-21 |
| 5120343 | Apparatus for producing optical glass element | Hideto Monji, Kiyoshi Kuribayashi, Masaaki Sunohara, Noriyuki Kawata, Tadao Shioyama +1 more | 1992-06-09 |
| 5087279 | Method of producing optical glass element and production apparatus using this method | Hideto Monji, Kiyoshi Kuribayashi, Masaaki Sunohara, Noriyuki Kawata, Tadao Shioyama +1 more | 1992-02-11 |