Inventor · disambiguated record
Masao Izawa
Also filed as: HATTORI SHINICHIRO · IZAWA MASAO · NAKAJIMA YOSHIO
14 granted patents·388 citations·filing 1975–2005
94Inventor score
Top patents by PatentIndex Score
14 records- 0193US4090921AAutomatic cultivating apparatusOLYMPUS OPTICAL CO·Filed 1976·Granted May 23, 1978·56 cites·7 claims
- 0285US4154652AMethod for automatically and successively cultivating tissues or cells of a bodyOLYMPUS OPTICAL CO·Filed 1976·Granted May 15, 1979·29 cites·1 claims
- 0384US6542698B2Shading hood for digital camera having liquid crystal screenKAKUYO CO LTD·Filed 2001·Granted Apr 1, 2003·24 cites·8 claims
- 0479US5272449AVertical amplifier system for multitrace oscilloscope and method for calibrating the sameKIKUSUI ELECTRONICS·Filed 1993·Granted Dec 21, 1993·32 cites·8 claims
- 0575US4339537AMethod of culturing biological substancesOLYMPUS OPTICAL CO·Filed 1979·Granted Jul 13, 1982·20 cites·5 claims
- 0669US5287063ACalibration circuit and method for maximum and minimum value detection apparatusKIKUSUI ELECTRONICS·Filed 1991·Granted Feb 15, 1994·29 cites·16 claims
- 0769US4556639AMethod and apparatus for dislodging cultured cellsOLYMPUS OPTICAL CO·Filed 1983·Granted Dec 3, 1985·19 cites·15 claims
- 0868US5176140AUltrasonic probeOLYMPUS OPTICAL CO·Filed 1990·Granted Jan 5, 1993·140 cites·27 claims
- 0960US4176376AImage processing systemOLYMPUS OPTICAL CO·Filed 1978·Granted Nov 27, 1979·12 cites·5 claims
- 1049US3980921AIlluminating device for a microscopeOLYMPUS OPTICAL CO·Filed 1975·Granted Sep 14, 1976·10 cites·3 claims
- 1137US5162750ABand limiter with temperature compensation circuitKIKUSUI ELECTRONICS·Filed 1991·Granted Nov 10, 1992·5 cites·4 claims
- 1234US5223768AData display apparatus with function for correcting effect of external magnetic fieldKIKUSUI ELECTRONICS·Filed 1991·Granted Jun 29, 1993·5 cites·1 claims
- 1329USD526672SAuxiliary lens mounting partKAKUYO CO LTD·Filed 2005·Granted Aug 15, 2006·1 cites·1 claims
- 1429US5138239AVertical amplifier apparatus with a beam-finding function for an oscilloscopeKIKUSUI ELECTRONICS·Filed 1991·Granted Aug 11, 1992·6 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →