Inventor · disambiguated record
Hitoshi Tone
Also filed as: TOMINAGA MICHIAKI · TONE HITOSHI
15 granted patents·238 citations·filing 1978–1999
94Inventor score
Files withOTSUKA PHARMA CO LTD15
Top patents by PatentIndex Score
15 records- 0192US4210753ACarbostyril compoundsOTSUKA PHARMA CO LTD·Filed 1978·Granted Jul 1, 1980·25 cites·8 claims
- 0286US5238938AIndole derivativesOTSUKA PHARMA CO LTD·Filed 1992·Granted Aug 24, 1993·51 cites·51 claims
- 0382US4302588ACarbostyril compoundsOTSUKA PHARMA CO LTD·Filed 1978·Granted Nov 24, 1981·9 cites·7 claims
- 0481US5563138ABenzoheterocyclic compoundsOTSUKA PHARMA CO LTD·Filed 1988·Granted Oct 8, 1996·20 cites·31 claims
- 0581US4289883ACarbostyril compoundsOTSUKA PHARMA CO LTD·Filed 1978·Granted Sep 15, 1981·9 cites·18 claims
- 0678US5607934APiperazine derivatives and salts thereofOTSUKA PHARMA CO LTD·Filed 1994·Granted Mar 4, 1997·46 cites·30 claims
- 0777US5290934ABenzoheterocyclic compoundsOTSUKA PHARMA CO LTD·Filed 1991·Granted Mar 1, 1994·17 cites·13 claims
- 0866US5591744ABenzoheterocyclic compoundsOTSUKA PHARMA CO LTD·Filed 1988·Granted Jan 7, 1997·8 cites·37 claims
- 0965US4755513AAntimicrobial 1-substituted phenyl-4-oxoquinoline-3-carboxylic acid compoundsOTSUKA PHARMA CO LTD·Filed 1985·Granted Jul 5, 1988·6 cites·4 claims
- 1065US4684648AAntimicrobial 1-substituted phenyl-4-oxoquinoline-3-carboxylic acid compounds and compositions thereofOTSUKA PHARMA CO LTD·Filed 1985·Granted Aug 4, 1987·6 cites·2 claims
- 1163US5459142APyrazinyl and piperazinyl substituted pyrazine compoundsOTSUKA PHARMA CO LTD·Filed 1993·Granted Oct 17, 1995·18 cites·13 claims
- 1256US5723648AIntermediates for anti-microbial benzoheterocyclic compoundsOTSUKA PHARMA CO LTD·Filed 1996·Granted Mar 3, 1998·8 cites·5 claims
- 1353US5811576AIntermediates for anti-microbial quinolone carboxylic acidsOTSUKA PHARMA CO LTD·Filed 1997·Granted Sep 22, 1998·6 cites·4 claims
- 1451US5495020ABenzoheterocyclic compoundsOTSUKA PHARMA CO LTD·Filed 1990·Granted Feb 27, 1996·5 cites·1 claims
- 1550US6333431B1Processes for the preparation of fluorinated benzoic acidsOTSUKA PHARMA CO LTD·Filed 1999·Granted Dec 25, 2001·4 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when Hitoshi Tone 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 →