Inventor · disambiguated record
Yasuo Sumiyoshi
Also filed as: SUMIYOSHI YASUO
3 granted patents·57 citations·filing 1991–1994
73Inventor score
Files withMITSUBOSHI BELTING LTD3
Top patents by PatentIndex Score
3 records- 0173US5394646ASystem for automatically cultivating crops in a greenhouseMITSUBOSHI BELTING LTD·Filed 1993·Granted Mar 7, 1995·30 cites·9 claims
- 0255US5705446AWide endless beltMITSUBOSHI BELTING LTD·Filed 1994·Granted Jan 6, 1998·19 cites·38 claims
- 0338US5303505ASystem for automatically cultivating crops in a greenhouseMITSUBOSHI BELTING LTD·Filed 1991·Granted Apr 19, 1994·8 cites·27 claims
Join the waitlist — get patent alerts
Get an alert when Yasuo Sumiyoshi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →