Inventor · disambiguated record
Masateru Watanabe
Also filed as: WATANABE MASATERU
8 granted patents·145 citations·filing 1986–2012
87Inventor score
Top patents by PatentIndex Score
8 records- 0188US4742218AFocus error detection apparatus utilizing focusing an front and rear sides of focal planesHITACHI LTD·Filed 1986·Granted May 3, 1988·44 cites·13 claims
- 0286US5418763ADisc recording systemHITACHI LTD·Filed 1993·Granted May 23, 1995·48 cites·29 claims
- 0370US5172362ARecording medium loading mechanismHIRACHI LTD·Filed 1992·Granted Dec 15, 1992·22 cites·15 claims
- 0460US4807212ACorrecting for comatic aberration in an optical head of an optical disk apparatusHITACHI LTD·Filed 1987·Granted Feb 21, 1989·13 cites·9 claims
- 0559US9362434B2Back side protective sheet for solar cell and solar cell module comprising the sameYASUKAWA HIDENORI·Filed 2008·Granted Jun 7, 2016·1 cites·5 claims
- 0652US10020568B2RFID inlet antenna and RFID employing sameDEN KENGO·Filed 2012·Granted Jul 10, 2018·2 cites·16 claims
- 0745US6320836B1Apparatus for ensuring operational clearance between a rotating disc type medium and a disc cartridge enclosing the mediumHITACHI LTD·Filed 1995·Granted Nov 20, 2001·8 cites·3 claims
- 0839US5016237APrism optics stable with respect to wavelength and temperature variations and optical information processing apparatusHITACHI LTD·Filed 1989·Granted May 14, 1991·7 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →