Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8961781 | Filter status techniques adapted for use with a container based filtration device | Benjamin Ma, Rick T. Nishijima, John W. Jamieson, Edward M. Buckley, David Dycher +1 more | 2015-02-24 |
| 5983502 | Shaving apparatus | Geert Geertsma, Akinori Takie, Yoshihiro Shibuya | 1999-11-16 |
| 5894670 | Electric shaving system | Takeshi Iso | 1999-04-20 |
| 5313704 | Electric shaver | Yukihiko Atsumi, Makoto Onodera | 1994-05-24 |
| 4931737 | Circuit for measuring the capacity of a battery | — | 1990-06-05 |
| 4775827 | Device for indicating the charge status of a battery | Johannes Ijntema, Jouw Van Den Akker, Jacob F. Verrij, Lambert J. H. Folmer | 1988-10-04 |