Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12425550 | Intercom device and control system | Yuya Hino, Hirokazu Kusunoki, Takayuki Goto, Yu Shimizu, Ryoji Maeda | 2025-09-23 |
| D879074 | Earphone | Yoshinori Komiya, Masashi Seki, Koshi Odaira | 2020-03-24 |
| 8649680 | Optical communication system | Atsushi Okamoto | 2014-02-11 |
| 6174617 | Communication method, remaining capacity calculation method, total capacity calculation method, overcharge protection method, information display method, and battery pack | Masaru Hiratsuka, Yasuhito Eguchi | 2001-01-16 |
| 5989200 | Exercise amount measuring device capable of displaying the amount of exercise to be performed further | Manabu Yoshimura, Maki Hasegawa, Tsukasa Hatakenaka, Makoto Tabata, Tsutomu Yamasawa +2 more | 1999-11-23 |
| 5788655 | Exercise amount measuring device capable of displaying the amount of exercise to be performed further | Manabu Yoshimura, Maki Hasegawa, Tsukasa Hatakenaka, Makoto Tabata, Tsutomu Yamasawa +2 more | 1998-08-04 |
| 5272185 | Polyphenylenesulfide composition for powder coating | Toyohiro Matsumura | 1993-12-21 |
| 4694456 | Information signal reproducing apparatus | Toru Otsuka | 1987-09-15 |
| 4280136 | Tape cassette and label inspection system therefor | Tsunehiro Kashima, Shunsuke Sakoda, Hidetoshi Tsuda, Tamihei Hiramatsu | 1981-07-21 |