Inventor · disambiguated record
Kazumi Kasai
Also filed as: KASAI KAZUMI
63 granted patents·1,482 citations·filing 1977–2017
99Inventor score
Top patents by PatentIndex Score
63 records- 0197US4724584ACord fastenerYOSHIDA KOGYO KK·Filed 1986·Granted Feb 16, 1988·126 cites·10 claims
- 0294USD290349SBelt adjusterNIPPON NOTION KOGYO·Filed 1984·Granted Jun 16, 1987·36 cites·1 claims
- 0393US4608735ASliding bar buckleNIPPON NOTION KOGYO·Filed 1985·Granted Sep 2, 1986·76 cites·3 claims
- 0489USD320178SBuckleYOSHIDA KOGYO KK·Filed 1989·Granted Sep 24, 1991·28 cites·1 claims
- 0589US4765038AWatertight slide fastener stringerYOSHIDA KOGYO KK·Filed 1987·Granted Aug 23, 1988·57 cites·7 claims
- 0689US4637099AAdjustable strap fastenerNIPPON NOTION KOGYO·Filed 1985·Granted Jan 20, 1987·56 cites·2 claims
- 0788USD287067SBelt adjusterNIPPON NOTION KOGYO·Filed 1984·Granted Dec 9, 1986·23 cites·1 claims
- 0888USD265606SSlide fastenerYOSHIDA KOGYO KK·Filed 1980·Granted Aug 3, 1982·24 cites·1 claims
- 0987US4802262ABuckle assemblyYOSHIDA KOGYO KK·Filed 1987·Granted Feb 7, 1989·48 cites·14 claims
- 1087US4571783AAdjustable strap fastenerNIPPON NOTION KOGYO·Filed 1984·Granted Feb 25, 1986·43 cites·8 claims
- 1184US4866819ABuckle assemblyYOSHIDA KOGYO KK·Filed 1988·Granted Sep 19, 1989·42 cites·17 claims
- 1284US4539735ASnap-fit button assemblyNIPPON NOTION KOGYO·Filed 1983·Granted Sep 10, 1985·37 cites·5 claims
- 1381US4903378AStrap adjustment assemblyNIPPON NOTION KOGYO·Filed 1985·Granted Feb 27, 1990·38 cites·3 claims
- 1481US4665592ASwivel snap hook of synthetic resinNIPPON NOTION KOGYO·Filed 1985·Granted May 19, 1987·42 cites·12 claims
- 1581US4577377ABuckle for strapsNIPPON NOTION KOGYO·Filed 1984·Granted Mar 25, 1986·34 cites·11 claims
- 1680US9755323B2Antenna apparatusFUJITSU LTD·Filed 2015·Granted Sep 5, 2017·5 cites·19 claims
- 1780US4672725ASnap buckleYOSHIDA KOGYO KK·Filed 1986·Granted Jun 16, 1987·59 cites·11 claims
- 1879US4864700ABuckle assemblyYOSHIDA KOGYO KK·Filed 1988·Granted Sep 12, 1989·35 cites·15 claims
- 1978US9570811B2Device to reflect and transmit electromagnetic wave and antenna deviceFUJITSU LTD·Filed 2014·Granted Feb 14, 2017·4 cites·10 claims
- 2078US5033171ABuckle for connecting two straps or the likeYOSHIDA KOGYO KK·Filed 1990·Granted Jul 23, 1991·37 cites·14 claims
- 2178US4987661ASnap BuckleYOSHIDA KOGYO KK·Filed 1990·Granted Jan 29, 1991·37 cites·3 claims
- 2278US4868954ASwivel joint assemblyNIPPON NOTION KOGYO·Filed 1988·Granted Sep 26, 1989·52 cites·11 claims
- 2376US4742603ASeparable bottom-end-stop assembly for separable slide fastenerYOSHIDA KOGYO KK·Filed 1986·Granted May 10, 1988·30 cites·4 claims
- 2476US4520535ASlide fastener having discrete coupling elementsYOSHIDA KOGYO KK·Filed 1983·Granted Jun 4, 1985·27 cites·2 claims
- 2575US4982480APair of snappingly engageable membersYOSHIDA KOGYO KK·Filed 1990·Granted Jan 8, 1991·32 cites·9 claims
- 2673US4639982AReleasable buckleNIPPON NOTION KOGYO·Filed 1985·Granted Feb 3, 1987·46 cites·3 claims
- 2773USD274016SSlide fastener chainYOSHIDA KOGYO KK·Filed 1981·Granted May 29, 1984·12 cites·1 claims
- 2872US4788755ACord tightening deviceYOSHIDA KOGYO KK·Filed 1986·Granted Dec 6, 1988·27 cites·7 claims
- 2969US4883020AApparatus of metal organic chemical vapor deposition for growing epitaxial layer of compound semiconductorFUJITSU LTD·Filed 1989·Granted Nov 28, 1989·21 cites·23 claims
- 3069US4520533AStrap guide for strap adjustment assemblyNIPPON NOTION KOGYO·Filed 1983·Granted Jun 4, 1985·20 cites·11 claims
- 3167US9277479B2Wireless communication system and wireless communication apparatusFUJITSU LTD·Filed 2014·Granted Mar 1, 2016·2 cites·13 claims
- 3267US4578966ADouble slider locking slide fastenerYOSHIDA KOGYO KK·Filed 1982·Granted Apr 1, 1986·27 cites·4 claims
- 3365US4271689ASlider with a built-in locking device in a slide fastenerYOSHIDA KOGYO KK·Filed 1979·Granted Jun 9, 1981·16 cites·2 claims
- 3463US4815175AStrap fastenerYOSHIDA KOGYO KK·Filed 1987·Granted Mar 28, 1989·18 cites·15 claims
- 3562USD296418SFastening hookYOSHIDA KOGYO KK·Filed 1985·Granted Jun 28, 1988·9 cites·1 claims
- 3660US4891866ABuckle of synthetic resinYOSHIDA KOGYO KK·Filed 1988·Granted Jan 9, 1990·17 cites·5 claims
- 3760US4631787ABuckle having manually releasable interlocking male and female portionsNIPPON NOTION KOGYO·Filed 1985·Granted Dec 30, 1986·17 cites·10 claims
- 3859US4894890ABuckle assemblyYOSHIDA KOGYO KK·Filed 1988·Granted Jan 23, 1990·16 cites·15 claims
- 3959US4617704ASwivel snap hook of synthetic resinNIPPON NOTION KOGYO·Filed 1985·Granted Oct 21, 1986·18 cites·12 claims
- 4058US4945614ABuckle assemblyYOSHIDA KOGYO KK·Filed 1989·Granted Aug 7, 1990·16 cites·6 claims
- 4158US4664574AEyelet assemblyNIPPON NOTION KOGYO·Filed 1985·Granted May 12, 1987·22 cites·5 claims
- 4257US4599767ASwivel snap hook of synthetic resin and method of manufacturing the sameNIPPON NOTION KOGYO·Filed 1985·Granted Jul 15, 1986·18 cites·4 claims
- 4355US4306347AMethod for manufacturing slide fastener elementsYOSHIDA KOGYO KK·Filed 1979·Granted Dec 22, 1981·9 cites·3 claims
- 4454USD296301SSnap hookNIPPON NOTION KOGYO·Filed 1985·Granted Jun 21, 1988·6 cites·1 claims
- 4553US4999886APlug and socket buckle assemblyYOSHIDA KOGYO KK·Filed 1989·Granted Mar 19, 1991·12 cites·13 claims
- 4653US4793031AStrap fastenerYOSHIDA KOGYO KK·Filed 1987·Granted Dec 27, 1988·23 cites·5 claims
- 4750US4704772ASnap-fit clasp fastener for bagsYOSHIDA KOGYO KK·Filed 1986·Granted Nov 10, 1987·11 cites·3 claims
- 4850USD292192SBelt buckleNIPPON NOTION KOGYO·Filed 1985·Granted Oct 6, 1987·5 cites·1 claims
- 4949US5070815AMOCVD device for growing a semiconductor layer by the metal-organic chemical vapor deposition processFUJITSU LTD·Filed 1991·Granted Dec 10, 1991·14 cites·7 claims
- 5048US4513483ASlide fastener stringerYOSHIDA KOGYO KK·Filed 1983·Granted Apr 30, 1985·11 cites·7 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →