Inventor · disambiguated record
Tetsuo Yamafuji
Also filed as: YAMAFUJI TETSUO
11 granted patents·375 citations·filing 1986–1998
92Inventor score
Top patents by PatentIndex Score
11 records- 0195US5877174A2,3-diketopiperazine derivatives or their saltsTOYAMA CHEMICAL CO LTD·Filed 1995·Granted Mar 2, 1999·136 cites·31 claims
- 0294US4704459AProcess for producing 1-substituted aryl-1,4-dihydro-4-oxonaphthyridine derivatives, and processes for producing the intermediatesTOYAMA CHEMICAL CO LTD·Filed 1986·Granted Nov 3, 1987·67 cites·13 claims
- 0392US6153613A2,3-diketopiperazine derivatives or their saltsTOYOMA CHEMICAL CO LTD·Filed 1998·Granted Nov 28, 2000·80 cites·19 claims
- 0485US4851535ANicotinic acid derivativesTOYAMA CHEMICAL CO LTD·Filed 1987·Granted Jul 25, 1989·24 cites·8 claims
- 0583US5280032A1,2-ethanediol derivative and salt thereof, process for producing the same, and cerebral function-improving agent comprising the sameTOYAMA CHEMICAL CO LTD·Filed 1992·Granted Jan 18, 1994·16 cites·29 claims
- 0677US5658904A1,2-ethanediol derivative and salt thereof and cerebral function-improving agent comprising the sameTOYAMA CHEMICAL CO LTD·Filed 1995·Granted Aug 19, 1997·13 cites·10 claims
- 0776US5719150A1,2-ethanediol derivative and salt thereof, process for producing the same, and cerebral function-improving agent comprising the sameTOYAMA CHEMICAL CO LTD·Filed 1996·Granted Feb 17, 1998·10 cites·3 claims
- 0876US5472984A1,2-ethanediol derivative and salt thereof and cerebral function-improving agent comprising the sameTOYAMA CHEMICAL CO LTD·Filed 1993·Granted Dec 5, 1995·10 cites·7 claims
- 0975US5612381A1,2-ethanediol derivative and salt thereof process for producing the same, and cerebral function-improving agent comprising the sameTOYAMA CHEMICAL CO LTD·Filed 1995·Granted Mar 18, 1997·11 cites·11 claims
- 1067US5872117A1,2-ethanediol derivative and salt thereof, process for producing the same, and cerebral function-improving agent comprising the sameTOYAMA CHEMICAL CO LTD·Filed 1997·Granted Feb 16, 1999·7 cites·7 claims
- 1136US5380878ABenzo[b]thiophen-5-yl derivative and process for producing the sameTOYAMA CHEMICAL CO LTD·Filed 1994·Granted Jan 10, 1995·1 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Tetsuo Yamafuji 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 →