Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5064033 | Rotary damper | Kikuo Nakamura | 1991-11-12 |
YK
Yasuo Koike
Sumco: 6 patents #50 of 464Top 15%
Sumitomo Mitsubishi Silicon: 4 patents #10 of 146Top 7%
Hitachi: 3 patents #10,712 of 28,497Top 40%
Koike Sanso Kogyo Co.: 3 patents #7 of 49Top 15%
Sumitomo Metal Industries: 2 patents #334 of 1,462Top 25%
Enidine: 1 patents #16 of 35Top 50%
Overall (All Time): #154,786 of 4,157,543Top 4%
26
Patents All Time