Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700052 | Chair for an acoustically designed building | Takeshi Sakai, Fukushi Kawakami | 1997-12-23 |
| 5685608 | Folding seat and seating system having folding seat | — | 1997-11-11 |
RY
Ryokichi Yamazaki
Kotobuki & Co.: 1 patents #7 of 9Top 80%
Overall (1997): #25,097 of 185,788Top 15%
2
Patents 1997