Inventor

OHSAWA AKIRA

11 patents

⚠️ This page may combine multiple inventors who share the name “OHSAWA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

5 patents

US4944034AJul 24, 1990

Geometric processing system

HITACHI LTD32 citations91

US4364112ADec 14, 1982

Miniature computer with separate hand-held controller

HITACHI LTD18 citations81

US4253143AFeb 24, 1981

Miniature computer capable of using a conventional audio cassette tape deck as an auxiliary memory

HITACHI LTD6 citations73

US5056045AOct 8, 1991

Geometric processing system

HITACHI LTD14 citations72

US4308561ADec 29, 1981

Miniature computer

HITACHI LTD2 citations62

MATSUSHITA ELECTRONICS CORP

2 patents

US4935900AJun 19, 1990

Dynamic random access memory with a self-refreshing function

MATSUSHITA ELECTRONICS CORP30 citations91

US4669065AMay 26, 1987

Dynamic memory apparatus having a sense amplifier and a reference voltage connection circuit therefor

MATSUSHITA ELECTRONICS CORP13 citations72

NIPPON OILS & FATS CO LTD

2 patents

US3971709AJul 27, 1976

Method for forming smooth cured coated films

NIPPON OILS & FATS CO LTD10 citations69

US4596844AJun 24, 1986

Self-hardenable resin composition

NIPPON OILS & FATS CO LTD16 citations66

OLYMPUS OPTICAL CO

1 patent

US4905668AMar 6, 1990

Endoscope apparatus

OLYMPUS OPTICAL CO36 citations91

YAMAHA CORP

1 patent

US6814875B2Nov 9, 2004

Method and device for treating waste liquid, solvent separator, and cleaning device using thereof

YAMAHA CORP2 citations62