Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10228115 | Lighting apparatus for raising natural lawn grass | Hiroshi Ogata, Kouichi Ishitaka | 2019-03-12 |
| 7028880 | Friction agitation joining method, method for manufacturing joined butted members and friction agitation joining apparatus | Masayuki Narita, Yasuyuki Hama, Hiroshi Akiyama, Takenori Hashimoto, Yoshitaka Nagano | 2006-04-18 |
| 6686052 | Cooling plate and production method therefor | Kiyoshi Tada | 2004-02-03 |
| 6585147 | Friction agitation joining method | — | 2003-07-01 |