Ryokichi Yamazaki

KC Kotobuki & Co.: 3 patents #1 of 9Top 15%

Overall (1994): #8,985 of 165,921Top 6%

Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
D352400	Folding chair unit	—	1994-11-15
5328238	Layable seat	—	1994-07-12
5328239	Flip-up type seat	—	1994-07-12