Issued Patents All Time
Showing 76–90 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6927839 | Method and apparatus for forming pattern on thin substrate or the like | Hirotaka Yamaguchi, Susumu Tsujikawa | 2005-08-09 |
| 6900827 | Optical recorder and method thereof | — | 2005-05-31 |
| 6870126 | Semiconductor device, annealing method, annealing apparatus and display apparatus | Masayuki Jyumonji, Masakiyo Matsumura, Yoshinobu Kimura, Mikihiko Nishitani, Masato Hiramatsu +2 more | 2005-03-22 |
| 6819401 | Exposure method and apparatus | Susumu Tsujikawa, Hirotaka Yamaguchi, Masakiyo Matsumura | 2004-11-16 |
| 6816231 | Method and apparatus for exposure | Susumu Tsujikawa, Hirotaka Yamaguchi, Masakiyo Matsumura | 2004-11-09 |
| 6340540 | Hologram recording sheet holographic optical element using said sheet and its production process | Kenji Ueda, Tsuyoshi Hotta, Atsushi Sekiguchi, Hideyuki Iriyama | 2002-01-22 |
| 6127066 | Hologram recording sheet, holographic optical element using said sheet, and its production process | Kenji Ueda, Tsuyoshi Hotta, Atsushi Sekiguchi, Hideyuki Iriyama | 2000-10-03 |
| 6033810 | Molded articles using glass as substrate, such as holographic optical element, optical reflector and encoder, and method of producing these articles | Tsuyoshi Hotta, Yuko Kuwabara, Hideaki Morita, Toshikazu Segawa | 2000-03-07 |
| 5981123 | Electrostatic information recording medium and electrostatic information recording and reproducing method | Makoto Matsuo, Minoru Utsumi, Masayuki Iijima, Hiroyuki Obata, Seiji Take | 1999-11-09 |
| 5731116 | Electrostatic information recording medium and electrostatic information recording and reproducing method | Makoto Matsuo, Minoru Utsumi, Masayuki Iijima, Hiroyuki Obata, Seiji Take | 1998-03-24 |
| 5650247 | Preparation and reproduction of filters and preparation of filter photographic materials | Minoru Utsumi | 1997-07-22 |
| 5635317 | Preparation and reproduction of filters and preparation of filter photographic materials | Minoru Utsumi | 1997-06-03 |
| 5543228 | Molded relief hologram | Tsuyoshi Hotta, Yuko Kuwabara, Hideaki Morita, Toshikazu Segawa | 1996-08-06 |
| 5439768 | Electrostatic information recording medium and electrostatic information recording and reproducing method | Makoto Matsuo, Minoru Utsumi, Masayuki Iijima, Hiroyuki Obata, Seiji Take | 1995-08-08 |
| 4677285 | Identification article with pattern-form fresnel hologram, fabrication thereof, and verification thereof | — | 1987-06-30 |