Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5938807 | Method for manufacturing press-molded glass object and apparatus therefor | Yoshizo Komiyama, Toshihisa Kamano, Hirotaka Masaki | 1999-08-17 |
| 5858051 | Method of manufacturing optical waveguide | Yoshizo Komiyama, Isao Matsuzuki, Kazunori Urushibata, Toshihisa Kamano, Hirotaka Masaki | 1999-01-12 |
| 5782946 | Method for manufacturing press-molded glass object | Yoshizo Komiyama, Toshihisa Kamano, Isao Matsuzuki, Hirotaka Masaki, Kazunori Urushibata | 1998-07-21 |
| 5346522 | Method and apparatus for molding optical glass elements or the like | Yoshizo Komiyama, Fumio Arai, Yutaka Hasegawa, Hisataka Sugiyama, Yoshiyasu Toyama +1 more | 1994-09-13 |
| 5340374 | Method for molding optical glass elements | Yoshizo Komiyama, Fumio Arai, Yoshiyasu Toyama, Yutaka Hasegawa | 1994-08-23 |
| 5282878 | Apparatus for molding optical glass elements | Yoshizo Komiyama, Fumio Arai, Yoshiyasu Toyama, Yutaka Hasegawa | 1994-02-01 |