Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6322639 | Magnetic steel sheet having excellent magnetic properties and method of producing the same | Osamu Kondo, Takako Yamashita, Shigeaki Takajo | 2001-11-27 |
| 6248185 | Electromagnetic steel sheet having excellent magnetic properties and production method thereof | Osamu Kondo, Shigeaki Takajo | 2001-06-19 |
| 6207103 | Fe-Cr-Si steel sheets having excellent corrosion resistance and method for manufacturing the same | Shigeaki Takajo, Takako Yamashita, Osamu Kondo | 2001-03-27 |
| 6162306 | Electromagnetic steel sheet having excellent high-frequency magnetic properities and method | Shigeaki Takajo, Takako Yamashita, Osamu Kondo | 2000-12-19 |
| 5885370 | Method of heat treatment of steel | Michio Shimotomai, Yasunori Yonehana | 1999-03-23 |
| 5648044 | Graphite steel for machine structural use exhibiting excellent free cutting characteristic, cold forging characteristic and post-hardening/tempering fatigue resistance | Toshiyuki Hoshino, Takashi Iwamoto, Keniti Amano | 1997-07-15 |
| 5476556 | Method of manufacturing steel for machine structural use exhibiting excellent free cutting characteristic, cold forging characteristic and post-hardening/tempering fatigue resistance | Toshiyuki Hoshino, Takashi Iwamoto, Keniti Amano | 1995-12-19 |
| 5441014 | Apparatus for pulling up a single crystal | Junsuke Tomioka, Kazunori Nagai | 1995-08-15 |
| 5316742 | Single crystal pulling apparatus | Junsuke Tomioka, Kazunori Nagai | 1994-05-31 |