Patents per Year
Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6825751 | Data communication apparatus, wristwatch type electronic device, and authentication system | Kazunori Kita | 2004-11-30 |
| 5615685 | Personal physical fitness measuring apparatus | — | 1997-04-01 |
| 5603330 | Pulse counting apparatus | — | 1997-02-18 |
| 5579777 | Exercise level of difficulty data output apparatus | — | 1996-12-03 |
| 5474077 | Exercise-hardness data output apparatus | — | 1995-12-12 |
| 5316008 | Measurement of electrocardiographic wave and sphygmus | Narutoshi Minami | 1994-05-31 |
| 5301154 | Time calculating device | — | 1994-04-05 |
| 4991156 | Electronic time measuring apparatus including past record display means | — | 1991-02-05 |
| 4962469 | Exercise measuring instrument | Haruo Ono, Satoshi Kinoshita | 1990-10-09 |
| 4891776 | Electronic timepiece | Yasuo Kuroki | 1990-01-02 |
| 4831605 | Electronic time measuring apparatus including past record display means | — | 1989-05-16 |