Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6698686 | Airship | Daihachi Ogawa, Masanobu Ogaki, Yoshitaka Sasaki, Takayoshi Maehata, Katsuji Fukumoto | 2004-03-02 |
MS
Masahiko Sugawara
Overall (All Time): #3,471,482 of 4,157,543Top 85%
1
Patents All Time