Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8184373 | Optical element and method for producing the same | Yasuhiro Tanaka, Hiroshi Yamaguchi, Motonobu Yoshikawa, Katsuhiko Hayashi | 2012-05-22 |
| 6989114 | Micro-shape transcription method, micro-shape transcription apparatus, and optical-component manufacture method | Tsuguhiro Korenaga, Hiroyuki Asakura | 2006-01-24 |
| 6151917 | Press-molding die for magnetic-disk glass substrate | Kunio Hibino, Hidenao Kataoka | 2000-11-28 |
| 6119485 | Press-molding die, method for manufacturing the same and glass article molded with the same | Kunio Hibino, Hidenao Kataoka | 2000-09-19 |
| 6009728 | Die for press-molding optical elements | Yoshinari Kashiwagi, Hidenao Kataoka, Kenji Inoue, Shoji Nakamura, Satoru Morimoto | 2000-01-04 |
| 6003336 | Method of manufacturing a die for press-molding optical elements | Yoshinari Kashiwagi, Hidenao Kataoka, Kenji Inoue, Shoji Nakamura, Satoru Morimoto | 1999-12-21 |
| 5904747 | Method of molding optical articles | Hidenao Kataoka, Shoji Nakamura, Yoshinari Kashiwagi | 1999-05-18 |
| 5759221 | Method of press molding glass optical elements | Yoshinari Kashiwagi, Hidenao Kataoka, Kenji Inoue, Shoji Nakamura, Satoru Morimoto | 1998-06-02 |
| 5759457 | Method for manufacturing an optical element | Kenji Inoue, Hidenao Kataoka, Yoshiyuki Shimizu | 1998-06-02 |
| 5700307 | Die for press-molding optical elements | Yoshinari Kashiwagi, Hidenao Kataoka, Kenji Inoue, Shoji Nakamura, Satoru Morimoto | 1997-12-23 |
| 5538528 | Glass optical element press-molding die having a tantalum containing alloy surface layer | Yoshinari Kashiwagi, Masaki Aoki | 1996-07-23 |
| 5436764 | Die for forming a micro-optical element, manufacturing method therefor, micro-optical element and manufacturing method therefor | Masaki Aoki | 1995-07-25 |
| 5425118 | Optical component mounting substrate and method of producing the same | Miho Sugihara, Masaki Aoki, Yoshinari Kashiwagi, Kenji Inoue | 1995-06-13 |
| 5405652 | Method of manufacturing a die for use in molding glass optical elements having a fine pattern of concavities and convexities | Yoshinari Kashiwagi, Masaki Aoki | 1995-04-11 |
| 5284501 | Method of manufacturing glass optical element | Hideto Monji, Kiyoshi Kuribayashi, Noriyuki Kawata | 1994-02-08 |
| 5276538 | Display device with micro lens array | Hideto Monji, Kiyoshi Kuribayashi | 1994-01-04 |
| 5171347 | Method of manufacturing glass optical element | Hideto Monji, Kiyoshi Kuribayashi, Noriyuki Kawata | 1992-12-15 |
| 5171348 | Die for press-molding optical element | Hideto Monji, Masaaki Sunohara, Jun Murata, Toshiaki Takano, Yoshinori Shirafuzi +2 more | 1992-12-15 |
| 5120343 | Apparatus for producing optical glass element | Hideto Monji, Kiyoshi Kuribayashi, Masaaki Sunohara, Tadayoshi Yonemoto, Noriyuki Kawata +1 more | 1992-06-09 |
| 5087279 | Method of producing optical glass element and production apparatus using this method | Hideto Monji, Kiyoshi Kuribayashi, Masaaki Sunohara, Tadayoshi Yonemoto, Noriyuki Kawata +1 more | 1992-02-11 |
| 4953385 | Information storage stamper and method of manufacturing disks using the same | Masaki Aoki, Hideo Torii, Kiyoshi Kuribayashi, Hideto Monji, Eiji Fujii | 1990-09-04 |
| 4842633 | Method of manufacturing molds for molding optical glass elements and diffraction gratings | Kiyoshi Kuribayashi, Hideto Monji, Masaki Aoki | 1989-06-27 |