Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12174476 | Light adjustment device and light adjustment device manufacturing method | Shunpei Takeuchi, Kohei Yamaguchi, Katsuichi IDE, Yukiya Hirabayashi, Hiroya MORIMOTO +1 more | 2024-12-24 |
| 8395749 | Liquid crystal display device and electronic apparatus | Osamu Kobayashi, Eiko Hirose | 2013-03-12 |
| 5463679 | Public telephone system | Junichi Muroi, Nobuo Suzuki, Tatsumi Takagi, Shigekazu Sakata, Hideyuki Oikawa | 1995-10-31 |
| 5381472 | Power source control apparatus for telephone set | Kazuhide KOBAYASHI, Takehiko Ishii | 1995-01-10 |
| 5033603 | Coin diameter discriminating device | Toshiharu Morihisa, Yasuyuki Inomata | 1991-07-23 |
| 4995497 | Coin discrimination apparatus | Masaaki Tsukada, Hiroshi Tachibana | 1991-02-26 |
| 4951799 | Method of correcting coin data and apparatus for inspecting coins | — | 1990-08-28 |
| 4768217 | Public telephone set | Hiroyuki Asano, Yoshiaki Takeda | 1988-08-30 |
| 4660705 | Coin discrimination apparatus | Takashi Oyamada, Shin Iwabuchi | 1987-04-28 |
| 4644109 | Alarm information transmission system for coin telephone | Yoshiaki Takeda, Toshiharu Kinoshita | 1987-02-17 |
| 4612418 | Method for controlling task process and device thereof | Yoshiaki Takeda, Takashi Oyamada, Toshiaki Hayasaka, Toshimichi Kubota | 1986-09-16 |
| 4309476 | Core-in-sheath type aromatic polyamide fiber and process for producing the same | Tsutomu Nakamura, Yasuo Nakagawa, Keizo Shimada | 1982-01-05 |
| 4196118 | Flame resistant wholly aromatic polyamide fibers | Hiroshi Fujie, Eiji Masunaga, Etuo Sumitani, Akiro Shimomai | 1980-04-01 |