Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6190057 | Optical fiber ribbon fusion splicing apparatus | Keiji Osaka | 2001-02-20 |
| 5777867 | Electric discharge method and apparatus | Masahiro Hamada, Masumi Fukai, Kazuo Iizuka | 1998-07-07 |
HH
Hidetoshi Hongu
Sumiden Opcom: 1 patents #12 of 24Top 50%
Overall (All Time): #2,223,165 of 4,157,543Top 55%
2
Patents All Time