Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11695194 | Rear glass | Tatsumi Tokuda | 2023-07-04 |
| 10608318 | Glass antenna | Tatsumi Tokuda | 2020-03-31 |
| 7671298 | Heating line pattern structure of defogger formed on rear window glass panel of motor vehicle and rear glass panel | Hiroshi Iijima, Kazuo Takayama, Kouichi Chikaishi | 2010-03-02 |
| 7071886 | Glass antenna and glass antenna system for vehicles | Hiroshi Iijima | 2006-07-04 |
| 6937198 | Glass antenna system for vehicles | Hiroshi Iijima, Hitoshi Kakizawa | 2005-08-30 |
| 6292150 | Glass antenna device | Hitoshi Kakizawa | 2001-09-18 |
| 5821904 | Window glass antenna device | Hitoshi Kakizawa, Yoshinori Matsuoka | 1998-10-13 |
| 5657029 | Glass antenna device for automobile telephone | Hiroshi Iijima, Eiichiro Kawasaki | 1997-08-12 |
| 5521606 | Window glass antenna for motor vehicles | Hiroshi Iijima, Jun Hasegawa, Eiichiro Kawasaki | 1996-05-28 |