Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D295082 | Fluorescent lamp | Naoyuki Nakamura, Masashi Sangen | 1988-04-05 |
| D295083 | Fluorescent lamp | Naoyuki Nakamura, Masashi Sangen | 1988-04-05 |
SK
Shuuzou Kanayama
Overall (All Time): #2,336,139 of 4,157,543Top 60%
2
Patents All Time