Issued Patents All Time
Showing 26–50 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6385998 | Method of manufacturing glass spacers | — | 2002-05-14 |
| 6379215 | Eyeglass lens processing system | Ryoji Shibata | 2002-04-30 |
| 6362084 | Method of manufacturing a substrate for displays and a substrate for displays manufactured by same | Maki Nakamura, Etsuo Ogino, Toshiaki Anzaki | 2002-03-26 |
| 6328628 | Eyeglass lens layout device and eyeglass lens processing apparatus having the same | Masakazu Funakura | 2001-12-11 |
| 6325700 | Eyeglass-frame-shape measuring device and eyeglass-lens processing apparatus having the same | Yoshinori Matsuyama, Masahiko Kobayashi | 2001-12-04 |
| 6290569 | Lens grinding apparatus | Hirokatsu Obayashi | 2001-09-18 |
| 6283826 | Eyeglass lens grinding apparatus | — | 2001-09-04 |
| 6263583 | Method of measuring eyeglass frame, an apparatus for the method, and eyeglass lens grinding apparatus having the same | — | 2001-07-24 |
| 6261150 | Eyeglass lens grinding apparatus | Hirokatsu Obayashi | 2001-07-17 |
| 6250989 | Apparatus for grinding eyeglass lens | — | 2001-06-26 |
| 6220929 | Eyeglass lens grinding apparatus | — | 2001-04-24 |
| 6220926 | Eyeglass lens grinding apparatus | — | 2001-04-24 |
| 6220927 | Lens grinding apparatus | Hirokatsu Obayashi | 2001-04-24 |
| 6123604 | Apparatus and method for grinding eyeglass lenses | Ryoji Shibata, Hirokatsu Obayashi | 2000-09-26 |
| 6099383 | Lens grinding apparatus | Ryoji Shibata | 2000-08-08 |
| 6074280 | Eyeglass lens grinding apparatus and a method of grinding an eyeglass | Hirokatsu Obayashi, Ryoji Shibata | 2000-06-13 |
| 6059635 | Apparatus for grinding eyeglass lens | — | 2000-05-09 |
| 5803793 | Lens grinding apparatus having chamfering and other grinding wheels mounted on the same shaft | Ryoji Shibata, Masahiko Kobayashi, Yoshinori Matsuyama, Hirokatsu Ohbayashi, Masakazu Funakura | 1998-09-08 |
| 5716256 | Lens grinding apparatus for grinding an eyeglass lens from a plurality of directions | Ryoji Shibata, Masahiko Kobayashi, Yoshinori Matsuyama, Hirokatsu Ohbayashi, Masakazu Funakura | 1998-02-10 |
| 5546911 | Fuel injection control apparatus | Shinji Iwamoto, Toshihiko Muramatsu, Kazushi Nakashima, Tomoaki Abe, Masao Yonekawa +1 more | 1996-08-20 |
| 5309186 | Eye refractive power measuring apparatus having opacity discriminant function of crystalline lens | — | 1994-05-03 |
| 5294237 | Process for producing flakes of glass | Takashi Yamagishi, Koji Yokoi, Kazuhiro Doushita | 1994-03-15 |
| 5280707 | Apparatus for detecting deterioration of catalyst | Akihiro Nakashima | 1994-01-25 |
| 5255987 | Paper margin detecting device for use in printing apparatus | Mamoru Imaizumi | 1993-10-26 |
| 5247341 | Lensmeter for automatically measuring optical characteristic of a power lens | Mikio Kurachi, Hirokatsu Obayashi | 1993-09-21 |