| 7140205 |
Method of manufacturing glass optical elements |
Yasuhiro Fujiwara, Zou Xuelu, Hiroyuki Sakai |
2006-11-28 |
| 7121119 |
Press molding apparatus for an optical element and method of manufacturing the optical element |
Hiroyuki Sakai, Shinichiro Hara, Tadayuki Fujimoto, Shinji Hada |
2006-10-17 |
| 7013676 |
Press molding apparatus |
Tadayuki Fujimoto, Kishio Sugawara, Hiroyuki Sakai, Hidemi Tajima |
2006-03-21 |
| 6918267 |
Press molding apparatus and press molding method |
Tadayuki Fujimoto, Hidemi Tajima |
2005-07-19 |
| 6813906 |
Method and apparatus for preparation of molded glass |
Kishio Sugawara |
2004-11-09 |
| 6560994 |
Mold used for molding glass optical elements process for preparation of glass optical elements and method for rebirth of mold |
— |
2003-05-13 |
| 6370915 |
Method for supplying glass molding material to molds, and method for manufacturing glass optical elements |
Tadayuki Fujimoto, Kishio Sugawara |
2002-04-16 |
| 6240235 |
Optical fiber fixing member and method for manufacturing the same |
Ken Uno, Masahiro Yoshida, Teruo Yamashita, Yoshiatsu Yokoo |
2001-05-29 |
| 6230520 |
Process for preparation of glass optical elements |
Ken Uno |
2001-05-15 |
| 6141991 |
Press molding apparatus for glass optical elements and molding method for glass optical elements |
Tadayuki Fujimoto, Kishio Sugawara, Shinji Hada |
2000-11-07 |
| 6070436 |
Manufacturing method for molded glass articles |
Ken Uno, Kishio Sugawara, Kohichi Saitoh |
2000-06-06 |
| 5987922 |
Manufacturing method for molded glass articles |
Ken Uno, Kishio Sugawara, Kohichi Saitoh |
1999-11-23 |
| 5421849 |
Apparatus for simultaneously manufacturing glass molding articles |
— |
1995-06-06 |
| 5194082 |
Method of manufacturing glass molding articles |
— |
1993-03-16 |
| 5125949 |
Mold for producing glass articles |
Hiroyuki Sawada, Yasuo Kusumi |
1992-06-30 |
| 5114455 |
Mold for producing lens, using mold recesses to aid in lens release |
Kishio Sugawara, Kenji Okamura |
1992-05-19 |
| 5013348 |
Mold assembly and methods for producing molded glass |
— |
1991-05-07 |
| 4948627 |
Process for producing glass mold |
Chiemi Hata, Hiroyuki Sawada |
1990-08-14 |
| 4915720 |
Method of and apparatus for molding glass articles |
Kishio Sugawara, Tadayuki Fujimoto |
1990-04-10 |
| 4836838 |
Apparatus for molding glass articles |
Kishio Sugawara, Tadayuki Fujimoto |
1989-06-06 |
| 4836840 |
Press-molding device for lenses |
Kishio Sugawara |
1989-06-06 |
| 4778505 |
Method of molding glass body |
Kishio Sugawara, Tetsuro Izumitani |
1988-10-18 |
| 4738703 |
Method of molding optical lenses |
Tetsuro Izumitani, Helmuth E. Meissner, Kishio Sugawara |
1988-04-19 |
| 4629489 |
Method of manufacturing pressed lenses |
Tetsuro Izumitani |
1986-12-16 |
| 4229220 |
Edge-coating glass for laser disks |
— |
1980-10-21 |