Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE42141 | Electric discharge lamp device | Noboru Yamamoto | 2011-02-15 |
| 7301285 | Control method for discharge lamp | — | 2007-11-27 |
| 7084585 | Discharge lamp lighting apparatus | Noboru Yamamoto, Tomoyuki Funayama | 2006-08-01 |
| 6876895 | Order assembly production system and method | Hiromi Seimiya, Tamotsu Tanaka | 2005-04-05 |
| 6853155 | Electric discharge lamp device | Noboru Yamamoto | 2005-02-08 |
| 6095125 | Ignition system having ignition coil | Tetsuya Miwa, Isao Goto | 2000-08-01 |
| 6032658 | Ignition system having ignition coil | Tetsuya Miwa, Isao Goto | 2000-03-07 |