Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7619361 | Discharge lamp device including an airtight container filled with a noble gas | Masaki Hirohashi, Nobuhiro Shimizu, Norikazu Yamamoto, Teruaki Shigeta, Yoko Matsubayashi +2 more | 2009-11-17 |