Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12339144 | Optical fiber characteristic measurement device, optical fiber characteristic measurement program, and optical fiber characteristic measurement method for measuring characteristics of optical fiber based on Brillouin gain spectrum | Satoshi Matsuura, Shin-ichirou Tezuka, Masayoshi Honma | 2025-06-24 |
| 11402296 | Optical fiber characteristics measurement apparatus and optical fiber characteristics measurement method | Satoshi Matsuura | 2022-08-02 |
| 9221214 | Method for producing concave-convex substrate using sol-gel method, sol used in same, method for producing organic EL element using same, and organic EL element obtained thereby | Madoka TAKAHASHI, Suzushi Nishimura | 2015-12-29 |
| 9109977 | Optical fiber characteristics measurement device and method | Masato Kishi, Kazuo Hotate, Takashi Yari | 2015-08-18 |
| 8724101 | Optical fiber characteristic measuring device and method | Kazuo Hotate, Takashi Yari, Masahito Ishioka, Kazushi Oishi | 2014-05-13 |
| 7136224 | Rear projection screen with shifted lens | Ichiro Matsuzaki | 2006-11-14 |
| 7061676 | Rear projection screen and rear projection display apparatus | Ichiro Matsuzaki | 2006-06-13 |
| 7019804 | Liquid crystal cell with twist angle from 180 to 270 degrees and twisted optical compensating element | Akira Masaki, Tetsuya Uesaka | 2006-03-28 |
| 6750941 | Complex diffraction device | Yasushi Satoh, Takehiro Toyooka | 2004-06-15 |
| 6628369 | Circular polarizer and liquid crystal display | Suzushi Nishimura, Tetsuya Uesaka, Takehiro Toyooka | 2003-09-30 |
| 6327089 | Laminated transparent structure for reflective display | Kenji Hosaki, Motoh Asakura, Shinji Nishikawa, Kazuya Kobayashi | 2001-12-04 |
| 6292295 | Rear projection screen incorporating a prism | Hajime Yamashita, Kiyoshi Morimoto, Hideki Kobayashi | 2001-09-18 |
| 6282034 | Optical device and Fresnel lens sheet | Ikuo Onishi, Ichiro Matsuzaki | 2001-08-28 |
| 6210872 | Optical film | Kenji Hosaki, Tadahiro Kaminade | 2001-04-03 |
| 6108465 | Optical pulse generator | Rikihiro Iida, Akio Ichikawa, Yuka Asahina, Masataka Nakazawa, Eiji Yoshida | 2000-08-22 |
| 6101021 | Optical pulse generator | Akio Ichikawa, Rikihiro Iida, Masataka Nakazawa, Eiji Yoshida | 2000-08-08 |
| 5724188 | Lenticular lens sheet | Ichiro Matsuzaki | 1998-03-03 |
| 5432249 | Liquid crystalline polyesters | Takuya Matsumoto, Iwane Shiozaki, Shigeki Takikawa | 1995-07-11 |
| 5432636 | Rear-projection screen | Masaki Ishii, Osamu Yoshimura, Ichiro Matsuzaki, Shinichi Asano, Takao Kibushi | 1995-07-11 |
| 4909777 | Tensioner or toothed belts | Hiroyuki Inoue, Yuichi Futami | 1990-03-20 |