Inventor · disambiguated record
Masaharu Shirai
Also filed as: SHIRAI MASAHARU
21 granted patents·281 citations·filing 1974–2009
95Inventor score
Top patents by PatentIndex Score
21 records- 0192US3957905AFire retardant thermoplastic polyester type block copolymer compositionTOYO BOSEKI·Filed 1974·Granted May 18, 1976·36 cites·18 claims
- 0283US8129623B2Resin film, adhesive sheet, circuit board, and electronic apparatusNAGASAWA TADASHI·Filed 2007·Granted Mar 6, 2012·7 cites·15 claims
- 0377US5510580APrinted circuit board with landless blind hole for connecting an upper wiring pattern to a lower wiring patternIBM·Filed 1995·Granted Apr 23, 1996·44 cites·5 claims
- 0470US8446734B2Circuit board and mounting structureHAYASHI KATSURA·Filed 2007·Granted May 21, 2013·6 cites·4 claims
- 0570US5517756AMethod of making substrate member having electrical lines and apertured insulating filmIBM·Filed 1994·Granted May 21, 1996·39 cites·3 claims
- 0667US5252781ASubstrate member having electric lines and apertured insulating filmIBM·Filed 1992·Granted Oct 12, 1993·34 cites·6 claims
- 0767US4571052AElectric field transfer method and apparatusFUJI XEROX CO LTD·Filed 1985·Granted Feb 18, 1986·15 cites·8 claims
- 0860US6612028B1Method for manufacturing a built-up circuit boardIBM·Filed 2000·Granted Sep 2, 2003·8 cites·7 claims
- 0959US8012561B2Fiber-reinforced resin and method for manufacturing the sameKYOCERA CORP·Filed 2008·Granted Sep 6, 2011·2 cites·7 claims
- 1057US7945191B2Image forming apparatus having external-additive removal unit that includes a conductive bladeFUJI XEROX CO LTD·Filed 2009·Granted May 17, 2011·1 cites·21 claims
- 1157US5537740AMethod of making printed circuit boardIBM·Filed 1995·Granted Jul 23, 1996·21 cites·4 claims
- 1256US5998739AStepped configured circuit boardIBM·Filed 1995·Granted Dec 7, 1999·19 cites·3 claims
- 1351US5776662AMethod for fabricating a chip carrier with migration barrier, and resulating chip carrierIBM·Filed 1996·Granted Jul 7, 1998·17 cites·18 claims
- 1450US7715777B2Image forming apparatus forming a developed image using an image carrierFUJI XEROX CO LTD·Filed 2008·Granted May 11, 2010·1 cites·14 claims
- 1542US5403692AElectrophotographic photoreceptorFUJI XEROX CO LTD·Filed 1993·Granted Apr 4, 1995·6 cites·12 claims
- 1638US5784781AManufacturing process for organic chip carrierIBM·Filed 1995·Granted Jul 28, 1998·7 cites·9 claims
- 1736US5460858AMethod for forming a smooth-surfaced insulating layerIBM·Filed 1994·Granted Oct 24, 1995·3 cites·5 claims
- 1834US4637709AApparatus for generating an image from within a sheet-like memberFUJI XEROX CO LTD·Filed 1984·Granted Jan 20, 1987·2 cites·13 claims
- 1933US6338937B1Lithography method and method for producing a wiring boardIBM·Filed 1999·Granted Jan 15, 2002·3 cites·15 claims
- 2032US6048465ACircuit board and fabrication method thereofIBM·Filed 1998·Granted Apr 11, 2000·3 cites·8 claims
- 2132US5766825AMethod of forming a resin laying in a surface laminated circuitIBM·Filed 1995·Granted Jun 16, 1998·7 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Masaharu Shirai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →