Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7599387 | DCE to DTE connection adapter for communication device | Kazuya Nakajima, Wataru Iwazaki | 2009-10-06 |
| 7499440 | Communication system, network router and network connection method | Kazuya Nakajima, Masaki Yoshizawa, Wataru Iwazaki | 2009-03-03 |
| 6051807 | Pulse arc welding apparatus | Takaaki Ogasawara, Masahiro Homma, Eiji Sato | 2000-04-18 |
| 5990445 | Consumable electrode type AC pulse arc welding apparatus | Takaaki Ogasawara, Masahiro Homma, Eiji Sato | 1999-11-23 |
| 4869367 | Welding wire container | Eiichiro Kawasaki, Masao Kitagawa, Hidemi Okabe, Minoru Yamada | 1989-09-26 |