Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7602479 | Light emission measuring apparatus and light emission measuring method | Ryuji SAWADA | 2009-10-13 |
| 6459063 | Apparatus for electrodischarge machining | Shuji Okazaki, Kenji Yamada, Sadao Sano | 2002-10-01 |
| 6106636 | Method and apparatus for controlling the atmosphere in a heat treatment furnace | Takeshi Naito, Kouichi Ogihara, Akihiro Wakatsuki, Tadanori Nakahiro, Hideki Inoue | 2000-08-22 |
| 6051078 | Method and apparatus for controlling the atmosphere in heat treatment furnace | Takeshi Naito, Kouichi Ogihara, Akihiro Wakatsuki, Tadanori Nakahiro, Hideki Inoue | 2000-04-18 |