Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4449232 | Audibly announcing apparatus | Shintaro Hashimoto, Sigeaki Masuzawa, Hiroshi Tsuda, Masahiro Nakano | 1984-05-15 |
SS
Shinya Sibata
Overall (All Time): #4,034,577 of 4,157,543Top 100%
1
Patents All Time