Inventor · disambiguated record
Akira Ohsawa
Also filed as: OHSAWA AKIRA
11 granted patents·179 citations·filing 1974–2001
91Inventor score
Files withHITACHI LTD5MATSUSHITA ELECTRONICS CORP2NIPPON OILS & FATS CO LTD2OLYMPUS OPTICAL CO1YAMAHA CORP1
Top patents by PatentIndex Score
11 records- 0172US4935900ADynamic random access memory with a self-refreshing functionMATSUSHITA ELECTRONICS CORP·Filed 1988·Granted Jun 19, 1990·30 cites·12 claims
- 0265US4944034AGeometric processing systemHITACHI LTD·Filed 1986·Granted Jul 24, 1990·32 cites·29 claims
- 0361US4669065ADynamic memory apparatus having a sense amplifier and a reference voltage connection circuit thereforMATSUSHITA ELECTRONICS CORP·Filed 1984·Granted May 26, 1987·13 cites·8 claims
- 0460US4596844ASelf-hardenable resin compositionNIPPON OILS & FATS CO LTD·Filed 1984·Granted Jun 24, 1986·16 cites·7 claims
- 0558US4364112AMiniature computer with separate hand-held controllerHITACHI LTD·Filed 1980·Granted Dec 14, 1982·18 cites·6 claims
- 0656US3971709AMethod for forming smooth cured coated filmsNIPPON OILS & FATS CO LTD·Filed 1974·Granted Jul 27, 1976·10 cites·11 claims
- 0750US6814875B2Method and device for treating waste liquid, solvent separator, and cleaning device using thereofYAMAHA CORP·Filed 2001·Granted Nov 9, 2004·2 cites·14 claims
- 0849US4905668AEndoscope apparatusOLYMPUS OPTICAL CO·Filed 1989·Granted Mar 6, 1990·36 cites·41 claims
- 0947US5056045AGeometric processing systemHITACHI LTD·Filed 1990·Granted Oct 8, 1991·14 cites·24 claims
- 1040US4253143AMiniature computer capable of using a conventional audio cassette tape deck as an auxiliary memoryHITACHI LTD·Filed 1978·Granted Feb 24, 1981·6 cites·3 claims
- 1130US4308561AMiniature computerHITACHI LTD·Filed 1980·Granted Dec 29, 1981·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →