Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12351506 | Glass composition for glass fibers, glass fibers, glass fiber textile, and glass fiber-reinforced resin composition | Takanobu HOSOKAWA, Tatsuya Komukai, Jun Ito, Tadashi Kurita | 2025-07-08 |
| 7859772 | Composite optical element and method for manufacturing the same | Yoshiyuki Shimizu, Toshiaki Takano, Jun Murata | 2010-12-28 |
| 6718799 | Die and glass material for forming glass substrate, method for manufacturing glass substrate, and magnetic disk glass substrate | Kunio Hibino, Tomokazu Tokunaga, Fujio Okuyama, Minoru Onoda | 2004-04-13 |
| 6539750 | Glass substrate forming mold and production method for glass substrate | Kunio Hibino, Tomokazu Tokunaga, Fujio Okuyama, Minoru Onoda | 2003-04-01 |
| 6000115 | Shell lock seaming machine | Yukinori Suzuki | 1999-12-14 |
| 5943891 | Silencer shell forming apparatus | Yukinori Suzuki | 1999-08-31 |
| 5817161 | Optical element forming method | Kenji Yamaguchi | 1998-10-06 |
| 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 | Tadayoshi Yonemoto, Takashi Inoue, Shoji Nakamura | 1998-06-16 |
| 5630859 | Optical element forming method | Takashi Inoue | 1997-05-20 |