Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10290803 | Three-dimensional devices with wedge-shaped contact region and method of making thereof | Michiaki Sano, Zhen Chen, Tetsuya Yamada, Akira Nakada, Yasuke Oda +1 more | 2019-05-14 |
| 6492602 | Two-position pushbutton switch | Akira Asai, Katsuichi Oba, Sachiko Homma | 2002-12-10 |
| 6442792 | Vacuum cleaner | Takayuki Sudou, Ryuji Ikeda, Susumu Sato, Taiji Tajima, Shoji Hayashi +3 more | 2002-09-03 |
| 5365633 | Vacuum cleaner | Masao Sunagawa, Yukiji Iwase | 1994-11-22 |
| 5110266 | Electric blower having improved return passage for discharged air flow | Hisanori Toyoshima, Fumio Jyoraku, Yoshitaro Ishii, Yukiji Iwase | 1992-05-05 |
| 4559255 | Acoustical absorbing material | Shinichi Shimode | 1985-12-17 |