Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11092465 | Optical encoder | Norikazu Okada, Masaki Tsuji, Toshiyuki Takada, Katsunori SATOH | 2021-08-17 |
| 7119912 | Ranging sensor and electronic device using the same | — | 2006-10-10 |
| 6844562 | Distance measuring sensor and method for manufacturing the same | Shinya Kawanishi | 2005-01-18 |
| 6726491 | Jack connector retainer with recesses in vicinity of electrical terminals and opto-electrical jack connectors using such retainer | Takahiko Nakano, Mitsuhisa Ikuta | 2004-04-27 |
| 6481902 | Light transmission device | Mitsuhisa Ikuta | 2002-11-19 |
| 4969141 | Optical memory for storing and retrieving information by light exposure | Kiyoshi Tsuboi | 1990-11-06 |
| 4682321 | Optical recording medium | Satoru Koyahara, Tetsuo Saito | 1987-07-21 |
| 4655878 | Method of regulating fuel supply rate for heating a coke oven | Yoshio Yoshino, Koji Tsuchihashi, Yoshihiro Omae, Kenzo Tsujikawa, Yukio Yamaguchi | 1987-04-07 |
| 4517668 | Optical disk with narrow guide tracks | Masahiko Mochizuki, Mitsuo Yamashita, Tadao Miura | 1985-05-14 |
| 4417331 | Method for manufacturing an optical disc | Masahiko Mochizuki, Mitsuo Yamashita, Tadao Miura | 1983-11-22 |
| 4385376 | Method of making an optical memory disk and a product thereby | Masahiko Mochizuki, Tadao Miura, Mitsuo Yamashita | 1983-05-24 |
| 4357366 | Method of making an optical memory disk and a product thereby | Masahiko Mochizuki, Tadao Miura, Mitsuo Yamashita | 1982-11-02 |