Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5255409 | Electric vacuum cleaner having an electric blower driven in accordance with the conditions of floor surfaces | Masakatsu Fujiwara, Yuji Nakanishi, Yoshikazu Morishita | 1993-10-26 |
| 5146920 | Wireless low-frequency medical treatment device with pulse interruption based upon electrode contact with the body | Takahiro Yuuchi, Masakatsu Fujiwara | 1992-09-15 |
| 5109845 | Wireless low-frequency medical treatment device | Takahiro Yuuchi, Masakatsu Fujiwara | 1992-05-05 |
| 5075922 | Vacuum cleaner | Yuji Nakanishi | 1991-12-31 |
| 5023973 | Vacuum cleaner | Yuki Nakanishi | 1991-06-18 |
| 4832576 | Electric fan | Yutaka Deguchi, Hideo Momohara, Toshio Ootani, Yuji Nakanishi | 1989-05-23 |
| 4774593 | Image forming apparatus | Yutaka Deguchi, Hideo Momohara | 1988-09-27 |
| 4653895 | Printer head | Yutaka Deguchi | 1987-03-31 |
| 4640601 | Patent image reproducing electrophotographic machine | Yutaka Deguchi | 1987-02-03 |
| 4490127 | Electrically operated transmission gear system for bicycles | Hirofumi Matsumoto, Masakatu Fujiwara, Yoshifumi Miyazaki | 1984-12-25 |
| 4378111 | Physical exercise appliance | Yuuichi Okada | 1983-03-29 |