Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4588972 | Electromagnetic induction apparatus with cooling grooves | Yoshinobu Harumoto, Yoshio Yoshida, Yuichi Kabayama, Tetsuro Hakata, Takahiro Matsumoto | 1986-05-13 |
HK
Hisao Kan
Unknown: 3 patents #7,366 of 83,584Top 9%
Overall (All Time): #3,995,601 of 4,157,543Top 100%
1
Patents All Time