Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10239144 | Welding device | Yoshiaki Tanaka, Shinsuke Shimabayashi | 2019-03-26 |
| 9162307 | Alternating-current welding method and alternating-current welding device | Yoshiaki Tanaka, Masafumi Naruto, Norikazu Oosaki | 2015-10-20 |
| 8564972 | Inverter control device and method with multiple switching circuit control methods | Norikazu Ohsaki, Yoshiaki Tanaka | 2013-10-22 |
| 6555785 | Welding condition inputting equipment | Atsuhiro Kawamoto, Akihiko Kitajima, Norikazu Osaki, Kunio Kubo, Koji Hamamoto +1 more | 2003-04-29 |
| D445812 | Welding machine | Masaki Shimizu, Akihiko Kitajima, Norikazu Osaki, Koji Hamamoto, Tsutomu Naito | 2001-07-31 |
| 5963590 | Method for receiving digital radio signals and a digital radio signals receiver | Kazuyoshi Nakaya | 1999-10-05 |
| 5956376 | Apparatus for varying a sampling rate in a digital demodulator | Kazuyoshi Nakaya | 1999-09-21 |