Inventor · disambiguated record
Fumihiko Hasegawa
Also filed as: HASEGAWA FUMIHIKO
30 granted patents·3 pending applications·869 citations·filing 1991–2021
98Inventor score
Files withSHINETSU HANDOTAI KK25UNIV TOHOKU3NIPPON STEEL CORP2NAT INST OF ADVANCED IND SCIEN1SHIN ETSU HANDOTAL CO LTD1
Top patents by PatentIndex Score
33 records- 0190US5514025AApparatus and method for chamfering the peripheral edge of a wafer to specular finishSHINETSU HANDOTAI KK·Filed 1993·Granted May 7, 1996·60 cites·11 claims
- 0289US6234879B1Method and apparatus for wafer chamfer polishingSHINETSU HANDOTAI KK·Filed 1996·Granted May 22, 2001·76 cites·1 claims
- 0389US5879220AApparatus for mirror-polishing thin plateSHINETSU HANDOTAI KK·Filed 1997·Granted Mar 9, 1999·80 cites·3 claims
- 0483US5126113AApparatus for producing czochralski-grown single crystalsSHINETSU HANDOTAI KK·Filed 1991·Granted Jun 30, 1992·58 cites·7 claims
- 0581US5733181AApparatus for polishing the notch of a waferSHINETSU HANDOTAI KK·Filed 1994·Granted Mar 31, 1998·38 cites·11 claims
- 0680US5727990AMethod for mirror-polishing chamfered portion of wafer and mirror-polishing apparatusSHINETSU HANDOTAI KK·Filed 1997·Granted Mar 17, 1998·49 cites·8 claims
- 0780US5476413AApparatus for polishing the periphery portion of a waferSHINETSU HANDOTAI KK·Filed 1994·Granted Dec 19, 1995·52 cites·6 claims
- 0879US5700179AMethod of manufacturing semiconductor wafers and process of and apparatus for grinding used for the same method of manufactureSHINETSU HANDOTAI KK·Filed 1996·Granted Dec 23, 1997·63 cites·20 claims
- 0974US5174067AAutomatic wafer lapping apparatusSHINETSU HANDOTAI KK·Filed 1991·Granted Dec 29, 1992·56 cites·2 claims
- 1073US5547415AMethod and apparatus for wafer chamfer polishingSHINETSU HANDOTAI KK·Filed 1993·Granted Aug 20, 1996·25 cites·17 claims
- 1170US5882539AWafer processing method and equipment thereforSHINETSU HANDOTAI KK·Filed 1996·Granted Mar 16, 1999·37 cites·24 claims
- 1269US5404678AWafer chamfer polishing apparatus with rotary circular dividing tableFiled 1993·Granted Apr 11, 1995·26 cites·8 claims
- 1365US6332828B1Method of and apparatus for mirror-like polishing wafer chamfer with orientation flatSHINETSU HANDOTAI KK·Filed 2000·Granted Dec 25, 2001·10 cites·4 claims
- 1462US12278054B2Power storage material and ultra power storage bodyUNIV TOHOKU·Filed 2021·Granted Apr 15, 2025·0 cites·13 claims
- 1562US5860853AApparatus for polishing wafersSHINETSU HANDOTAI KK·Filed 1996·Granted Jan 19, 1999·26 cites·12 claims
- 1660US5317836AApparatus for polishing chamfers of a waferSHINETSU HANDOTAI KK·Filed 1992·Granted Jun 7, 1994·31 cites·14 claims
- 1759US5316620AMethod and an apparatus for polishing wafer chamfersSHINETSU HANDOTAI KK·Filed 1993·Granted May 31, 1994·29 cites·14 claims
- 1859US5282289AScrubber apparatus for cleaning a thin disk workSHINETSU HANDOTAI KK·Filed 1992·Granted Feb 1, 1994·30 cites·2 claims
- 1958US5458529AApparatus for polishing notch portion of waferSHINETSU HANDOTAI KK·Filed 1994·Granted Oct 17, 1995·15 cites·16 claims
- 2057US5928066AApparatus for polishing peripheral portion of waferSHINETSU HANDOTAI KK·Filed 1997·Granted Jul 27, 1999·19 cites·16 claims
- 2156US5538463AApparatus for bevelling wafer-edgeSHINETSU HANDOTAI KK·Filed 1993·Granted Jul 23, 1996·14 cites·17 claims
- 2253US5918587AMethod of producing slicesSHINETSU HANDOTAI KK·Filed 1996·Granted Jul 6, 1999·16 cites·10 claims
- 2350US2021098793A1Power storage element, power storage cell, and power storage and discharge systemUNIV TOHOKU·Filed 2019·Application pending·0 cites
- 2449US5246528AAutomatic wafer etching method and apparatusSHINETSU HANDOTAI KK·Filed 1992·Granted Sep 21, 1993·18 cites·7 claims
- 2547US5913719AWorkpiece holding mechanismSHINETSU HANDOTAI KK·Filed 1997·Granted Jun 22, 1999·12 cites·8 claims
- 2644US2021091716A1Solar power generation and storage unit, and solar power generation and storage systemUNIV TOHOKU·Filed 2019·Application pending·0 cites
- 2741US2006106120A1Method of degrading plastic and process for producing useful substance using the sameNAT INST OF ADVANCED IND SCIEN·Filed 2003·Application pending·0 cites
- 2837US5688430ASoft ferrite raw material powder, its sintered body, and their production method and apparatusNIPPON STEEL CORP·Filed 1993·Granted Nov 18, 1997·5 cites·8 claims
- 2937US5429544APolishing apparatus for notch portion of waferSHIN ETSU HANDOTAL CO LTD·Filed 1994·Granted Jul 4, 1995·10 cites·17 claims
- 3035US6113463AMethod of and apparatus for mirror-like polishing wafer chamfer with orientation flatSHINETSU HANDOTAI KK·Filed 1996·Granted Sep 5, 2000·6 cites·4 claims
- 3132US5298111AAutomatic wafer transfer apparatus and a method for transferring wafers and an etching drumSHINETSU HANDOTAI KK·Filed 1992·Granted Mar 29, 1994·4 cites·9 claims
- 3231US5766065AApparatus for polishing peripheral portion of waferSHINETSU HANDOTAI KK·Filed 1995·Granted Jun 16, 1998·3 cites·3 claims
- 3325US6017497AAtomizing roasting furnace for producing ferrite raw material powderNIPPON STEEL CORP·Filed 1997·Granted Jan 25, 2000·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →