Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D794484 | Electric power meter | Akihiro Kakeya, Shinichiro Iura, Goro Kawakami, Naoki Okada, Koyuru Nakano +1 more | 2017-08-15 |
| D793260 | Electric power meter | Akihiro Kakeya, Shinichiro Iura, Naoki Okada, Koyuru Nakano, Kazuo Inaba +1 more | 2017-08-01 |
| D793261 | Electric power meter | Akihiro Kakeya, Shinichiro Iura, Goro Kawakami, Naoki Okada, Koyuru Nakano +1 more | 2017-08-01 |
| D598028 | Icon for a portion of a display screen | Koyuru Nakano | 2009-08-11 |
| 7298261 | Proximity sensor | Nobuhiro Fujimori, Hidetomo Ohtsuki | 2007-11-20 |
| 6537347 | Method for deciding on the timing of replacing a chemical filter, filter life detection sensor, chemical filter unit, and semiconductor manufacturing apparatus | Iichi Hirao, Teruyuki Hayashi, Misako Saito | 2003-03-25 |
| 5146107 | Transistor switching circuit having diode-resistor in base of transistor for fast discharge | Yasushi Matsuoka, Akio Matsumoto, Yoshimi Kanda, Hirofumi Endo, Tsutomu Ajioka | 1992-09-08 |
| 5142235 | Two wire detection system for producing abnormal state outputs | Akio Matsumoto, Yasushi Matsuoka, Yoshimi Kanda, Tsutomu Ajioka | 1992-08-25 |
| 4968953 | Oscillation circuit for proximity switch | Yoshimi Kanda, Akio Matsumoto, Yasushi Matsuoka, Tsutomu Ajioka, Hirofumi Endo | 1990-11-06 |