Inventor · disambiguated record
Shigeaki Akiyama
Also filed as: AKIYAMA SHIGEAKI
8 granted patents·21 citations·filing 1985–1995
81Inventor score
Files withNISSAN CHEMICAL IND LTD8
Top patents by PatentIndex Score
8 records- 0168US4665212AProcess for preparing 2-(4-hydroxyphenoxy) alkanoic acid compoundsNISSAN CHEMICAL IND LTD·Filed 1985·Granted May 12, 1987·11 cites·12 claims
- 0249US5116405APyridinesulfonamide derivatives and herbicidesNISSAN CHEMICAL IND LTD·Filed 1990·Granted May 26, 1992·3 cites·24 claims
- 0346US5152824ASulfamidosulfonamide derivatives and herbicidesNISSAN CHEMICAL IND LTD·Filed 1991·Granted Oct 6, 1992·3 cites·7 claims
- 0444US5500406AIminosulfonylurea dirivatives and herbicidesNISSAN CHEMICAL IND LTD·Filed 1992·Granted Mar 19, 1996·2 cites·18 claims
- 0540US5604179AIminosulfonylurea derivatives and herbicidesNISSAN CHEMICAL IND LTD·Filed 1995·Granted Feb 18, 1997·1 cites·5 claims
- 0637US5686390AIminosulfonylurea derivatives and herbicidesNISSAN CHEMICAL IND LTD·Filed 1995·Granted Nov 11, 1997·1 cites·11 claims
- 0733US5354731APyridinesulfonamide derivatives as herbicidesNISSAN CHEMICAL IND LTD·Filed 1992·Granted Oct 11, 1994·0 cites·13 claims
- 0826US5817829APyrazolecarboxylic acid derivatives and plant disease control agentNISSAN CHEMICAL IND LTD·Filed 1995·Granted Oct 6, 1998·0 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Shigeaki Akiyama 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 →