Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8910890 | Seeding device | Kei AMBO, Yuji Ishitsuka, Yuichi Fukuchi | 2014-12-16 |
| 5452270 | Melody alarm timepiece | Hidetsugu Ikeda | 1995-09-19 |
| 5303211 | Wall clock | Hideo Irie | 1994-04-12 |
| D335098 | Clock movement | Hidetsugu Ikeda | 1993-04-27 |