Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6515264 | Heater | Eiichi Toya, Tomio Konn, Tomohiro Nagata, Norihiko Saito, Ken Nakao +3 more | 2003-02-04 |
| 6407371 | Heater | Eiichi Toya, Tomio Konn, Tomohiro Nagata, Norihiko Saito, Ken Nakao +3 more | 2002-06-18 |
| 6043468 | Carbon heater | Eiichi Toya, Masahiko Ichishima, Tomio Konn, Tomohiro Nagata, Norihiko Saito +7 more | 2000-03-28 |