Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5554831 | Sound absorbing member | Hiroshi Matsukawa, Hiroshi Sugawara | 1996-09-10 |
KW
Kyoichi Watanabe
Kao: 3 patents #1,053 of 3,221Top 35%
Kasai Kogyo Co.: 1 patents #45 of 121Top 40%
Mitsubishi Kasei: 1 patents #404 of 911Top 45%
Overall (All Time): #155,511 of 4,157,543Top 4%
26
Patents All Time