Inventor · disambiguated record
Toshiaki Isogawa
Also filed as: ISOGAWA TOSHIAKI
9 granted patents·159 citations·filing 1983–2001
89Inventor score
Files withSONY CORP9
Top patents by PatentIndex Score
9 records- 0178US5689676ASequential EEPROM writing apparatus which sequentially and repetitively replaces a head position pointer with a last position pointerSONY CORP·Filed 1996·Granted Nov 18, 1997·53 cites·1 claims
- 0272US6466196B1Method of driving backlight, circuit for driving backlight, and electronic apparatusSONY CORP·Filed 1999·Granted Oct 15, 2002·43 cites·9 claims
- 0357US5483280AArrangement for controlling an iris to regulate light in an optical systemSONY CORP·Filed 1994·Granted Jan 9, 1996·17 cites·6 claims
- 0457US5032909AImage enhancer which utilizes a lowpass filter after an outline extracting circuitSONY CORP·Filed 1989·Granted Jul 16, 1991·14 cites·1 claims
- 0554US5386231AVideo cameraSONY CORP·Filed 1992·Granted Jan 31, 1995·16 cites·7 claims
- 0651US6633731B2Electronic view finder apparatusSONY CORP·Filed 2001·Granted Oct 14, 2003·2 cites·5 claims
- 0747US4589021AGamma compensating circuitSONY CORP·Filed 1984·Granted May 13, 1986·8 cites·20 claims
- 0832US4630116AVideo signal inverting circuitSONY CORP·Filed 1984·Granted Dec 16, 1986·3 cites·3 claims
- 0928US4623933AVideo camera gain control circuitSONY CORP·Filed 1983·Granted Nov 18, 1986·3 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →