Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11009044 | Outlet port part and vacuum pump | Yoshiyuki Sakaguchi | 2021-05-18 |
| 10495109 | Vacuum pump and heat insulating spacer used in vacuum pump | Yoshiyuki Sakaguchi | 2019-12-03 |
| 5740135 | Disc reproducing apparatus capable of selecting a predetermined disc | Munekazu Nakagawa, Kazunori Iwaki | 1998-04-14 |
| 5524002 | Disc reproduction apparatus | Hideji Morita, Yoshifusa Fujioka | 1996-06-04 |
| 5191490 | Auto reverse type tape player capable of selectively switching between a one-cycle mode and an endless mode | Susumu Tyouno, Masafumi Kurata, Hideo Yoshida | 1993-03-02 |