Inventor · disambiguated record
Hideo Kawashita
Also filed as: KAWASHITA HIDEO
11 granted patents·254 citations·filing 1985–1996
91Inventor score
Top patents by PatentIndex Score
11 records- 0192US4732615ACopper phthalocyanine compound and aqueous ink composition comprising the sameTAOKA CHEMICAL CO LTD·Filed 1986·Granted Mar 22, 1988·71 cites·7 claims
- 0288US5183501AInk compositions for ink jet recordingSUMITOMO CHEMICAL CO·Filed 1991·Granted Feb 2, 1993·35 cites·7 claims
- 0387US4605442AAqueous ink compositionSUMITUMO CHEMICAL CO·Filed 1985·Granted Aug 12, 1986·68 cites·10 claims
- 0480US4771129AMonoazo dyestuffs containing substituted amino triazineTAOKA CHEMICAL CO LTD·Filed 1986·Granted Sep 13, 1988·15 cites·11 claims
- 0567US5536819ATrisazo compounds imparting deep black color a method for dyeing by using them and an ink containing themSUMITOMO CHEMICAL CO·Filed 1994·Granted Jul 16, 1996·9 cites·12 claims
- 0659US5488101ATrisazo compounds, method for dyeing fiber materials, paper or leather using the same and inks containing the sameSUMITOMO CHEMICAL CO·Filed 1992·Granted Jan 30, 1996·20 cites·17 claims
- 0758US5530105ATetraskisazo compound and ink containing the compoundSUMITOMO CHEMICAL CO·Filed 1994·Granted Jun 25, 1996·17 cites·11 claims
- 0843US4734489ATrisazo compounds useful in producing water-resistant ink compositionsTAOKA CHEMICAL CO LTD·Filed 1986·Granted Mar 29, 1988·10 cites·13 claims
- 0937US5489671ATrisazo compound imparting black color, method for dyeing by using it and ink containing itSUMITOMO CHEMICAL CO·Filed 1994·Granted Feb 6, 1996·6 cites·15 claims
- 1031US5149366ADisazo compound and ink composition containing the sameSUMITOMO CHEMICAL CO·Filed 1991·Granted Sep 22, 1992·3 cites·7 claims
- 1126US5962740AProcesses for producing 4,6-bis (substituted)phenylazoresorcinolsNISSAN CHEMICAL IND LTD·Filed 1996·Granted Oct 5, 1999·0 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when Hideo Kawashita 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 →