Inventor · disambiguated record
Tadashi Hirakawa
Also filed as: HANDA JUNZO · HIRAKAWA TADASHI
41 granted patents·1,832 citations·filing 1975–2019
98Inventor score
Files withMITSUBISHI HEAVY IND LTD21TEIJIN LTD9HONDA MOTOR CO LTD4AMKOR ELECTRONICS INC3FUJI MACHINERY MFG & ELECTRONI2
Top patents by PatentIndex Score
41 records- 0198US5355283ABall grid array with via interconnectionAMKOR ELECTRONICS INC·Filed 1993·Granted Oct 11, 1994·568 cites·17 claims
- 0295US6011694ABall grid array semiconductor package with solder ball openings in an insulative baseFUJI MACHINERY MFG & ELECTRONI·Filed 1997·Granted Jan 4, 2000·240 cites·19 claims
- 0394US7946616B2Side airbag apparatusHONDA MOTOR CO LTD·Filed 2010·Granted May 24, 2011·25 cites·14 claims
- 0492US11161549B2Vehicle body rear structureHONDA MOTOR CO LTD·Filed 2019·Granted Nov 2, 2021·7 cites·12 claims
- 0591US4667953ASheet stackerMITSUBISHI HEAVY IND LTD·Filed 1985·Granted May 26, 1987·59 cites·10 claims
- 0691US4657236ASheet delivery deviceMITSUBISHI HEAVY IND LTD·Filed 1985·Granted Apr 14, 1987·47 cites·8 claims
- 0791US4225642ARaised and fused fabric filter and process for producing the sameTEIJIN LTD·Filed 1977·Granted Sep 30, 1980·56 cites·12 claims
- 0890US5994773ABall grid array semiconductor packageFiled 1997·Granted Nov 30, 1999·123 cites·11 claims
- 0990US4582747ADust-proof fabricTEIJIN LTD·Filed 1985·Granted Apr 15, 1986·39 cites·12 claims
- 1088US4010677AApparatus for positioning headsMITSUBISHI HEAVY IND LTD·Filed 1975·Granted Mar 8, 1977·40 cites·6 claims
- 1187US6040984APrinted circuit board with opposed bonding shelves for semiconductor chip wire bonding at different levelsFUJI MACHINERY MFG & ELECTRONI·Filed 1997·Granted Mar 21, 2000·103 cites·21 claims
- 1286US4154881AAntistatic composite yarn and carpetTEIJIN LTD·Filed 1977·Granted May 15, 1979·24 cites·8 claims
- 1385US4238024AConveyor deviceMITSUBISHI HEAVY IND LTD·Filed 1979·Granted Dec 9, 1980·30 cites·10 claims
- 1482US4863154AConveyor system for planar objectsMITSUBISHI HEAVY IND LTD·Filed 1985·Granted Sep 5, 1989·25 cites·2 claims
- 1582US4460135AMill roll standMITSUBISHI HEAVY IND LTD·Filed 1982·Granted Jul 17, 1984·24 cites·4 claims
- 1680US4496583APaper-like polyester fiber sheet and process for producing the sameTEIJIN LTD·Filed 1983·Granted Jan 29, 1985·33 cites·21 claims
- 1779US11097679B2Vehicle body rear structureHONDA MOTOR CO LTD·Filed 2019·Granted Aug 24, 2021·3 cites·9 claims
- 1876US4529481ASynthetic polyester pulp and process for preparing sameTEIJIN LTD·Filed 1983·Granted Jul 16, 1985·17 cites·17 claims
- 1975US5483100AIntegrated circuit package with via interconnections formed in a substrateAMKOR ELECTRONICS INC·Filed 1992·Granted Jan 9, 1996·45 cites·11 claims
- 2074US5378869AMethod for forming an integrated circuit package with via interconnectionAMKOR ELECTRONICS INC·Filed 1993·Granted Jan 3, 1995·41 cites·28 claims
- 2174US4710432ABase material for honeycomb core structure and process for producing the sameTEIJIN LTD·Filed 1986·Granted Dec 1, 1987·30 cites·8 claims
- 2273US4501641AProcess for producing paper or non-woven fabricTEIJIN LTD·Filed 1982·Granted Feb 26, 1985·27 cites·4 claims
- 2372US4627831ASingle facerMITSUBISHI HEAVY IND LTD·Filed 1984·Granted Dec 9, 1986·27 cites·11 claims
- 2470US5297461ARotary shearMITSUBISHI HEAVY IND LTD·Filed 1992·Granted Mar 29, 1994·24 cites·3 claims
- 2567US5496431AMethod and system for changing product specifications in a corrugation machineMITSUBISHI HEAVY IND LTD·Filed 1993·Granted Mar 5, 1996·23 cites·19 claims
- 2667US4776578AApparatus for preventing disorder in sheet alignmentMITSUBISHI HEAVY IND LTD·Filed 1987·Granted Oct 11, 1988·15 cites·1 claims
- 2766US4481066ASingle facerMITSUBISHI HEAVY IND LTD·Filed 1984·Granted Nov 6, 1984·20 cites·5 claims
- 2862US4420999ARotary plate-shape material cutting arrangementMITSUBISHI HEAVY IND LTD·Filed 1982·Granted Dec 20, 1983·18 cites·1 claims
- 2957US4631109ASingle facerMITSUBISHI HEAVY IND LTD·Filed 1984·Granted Dec 23, 1986·15 cites·1 claims
- 3056US10150353B2Door structure for vehicleHONDA MOTOR CO LTD·Filed 2017·Granted Dec 11, 2018·1 cites·8 claims
- 3151US5436301AEpoxy resin-impregnated prepregTEIJIN LTD·Filed 1993·Granted Jul 25, 1995·11 cites·20 claims
- 3251US4337884ASingle facerMITSUBISHI HEAVY IND LTD·Filed 1980·Granted Jul 6, 1982·11 cites·4 claims
- 3350US4471515ARolls for single facerMITSUBISHI HEAVY IND LTD·Filed 1981·Granted Sep 18, 1984·11 cites·20 claims
- 3449US4316761ASingle facerMITSUBISHI HEAVY IND LTD·Filed 1980·Granted Feb 23, 1982·10 cites·3 claims
- 3548US5240770ASurface-modified wholly aromatic polyamide fiber and method of producing sameTEIJIN LTD·Filed 1991·Granted Aug 31, 1993·10 cites·9 claims
- 3648US4706863AIntermittent feeding apparatus for a continuous sheetMITSUBISHI HEAVY IND LTD·Filed 1985·Granted Nov 17, 1987·7 cites·4 claims
- 3747US4846778ASlitter scorer including a head exchanging deviceMITSUBISHI HEAVY IND LTD·Filed 1987·Granted Jul 11, 1989·10 cites·5 claims
- 3840US5210073AMethod for treating cancer therapy radiation damage or arteriosclerosis using human adfAJINOMOTO KK·Filed 1990·Granted May 11, 1993·7 cites·5 claims
- 3935US4398328ARolls for single facerMITSUBISHI HEAVY IND LTD·Filed 1981·Granted Aug 16, 1983·5 cites·7 claims
- 4031US4327854AApparatus for guiding web-like materialMITSUBISHI HEAVY IND LTD·Filed 1980·Granted May 4, 1982·1 cites·3 claims
- 4123US4644896ALower roll apparatus for single facerMITSUBISHI HEAVY IND LTD·Filed 1985·Granted Feb 24, 1987·0 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Tadashi Hirakawa 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 →