Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807639 | Pulse detection apparatus | Atsuko Shimizu, Hiroshi Fujii | 1989-02-28 |
SO
Shinichi Ohki
Overall (1989): #57,083 of 140,708Top 45%
1
Patents 1989