Inventor · disambiguated record
Norimasa Arai
Also filed as: ARAI NORIMASA
19 granted patents·137 citations·filing 1974–2020
93Inventor score
Top patents by PatentIndex Score
19 records- 0195US10042129B2Duplex optical connector plug and polarity reversal method of duplex optical connector plugSEIKO GIKEN KK·Filed 2017·Granted Aug 7, 2018·16 cites·20 claims
- 0292US9958623B1Tool for plug, plug and cable with plugSEIKO GIKEN KK·Filed 2017·Granted May 1, 2018·11 cites·9 claims
- 0391US9941631B1Plug and cable with plugSEIKO GIKEN KK·Filed 2017·Granted Apr 10, 2018·12 cites·6 claims
- 0489US8596883B2Optical connector plugTAIRA JUNJI·Filed 2011·Granted Dec 3, 2013·15 cites·9 claims
- 0588US7093983B2Optical connector plug and optical connectorSEIKO GIKEN KK·Filed 2004·Granted Aug 22, 2006·40 cites·13 claims
- 0684US7153035B2Optical connector plug and optical connectorSEIKO GIKEN KK·Filed 2005·Granted Dec 26, 2006·14 cites·17 claims
- 0781US10042126B2Ferrule polishing method of duplex optical connector plugSEIKO GIKEN KK·Filed 2017·Granted Aug 7, 2018·3 cites·3 claims
- 0872US9360637B2Optical connector plugSEIKO GIKEN KK·Filed 2015·Granted Jun 7, 2016·2 cites·5 claims
- 0969US8256969B2Optical connector stop ring, optical fiber cord with optical connector using the same and method for manufacturing optical fiber cord with optical connectorARAI NORIMASA·Filed 2009·Granted Sep 4, 2012·7 cites·6 claims
- 1059US9164244B2Optical connector plugTAIRA JUNJI·Filed 2011·Granted Oct 20, 2015·1 cites·10 claims
- 1154US11445894B2Insertion assisting systemOLYMPUS CORP·Filed 2019·Granted Sep 20, 2022·0 cites·12 claims
- 1253US11832795B2Fluid control device for endoscope, and endoscopeOLYMPUS CORP·Filed 2020·Granted Dec 5, 2023·0 cites·20 claims
- 1347US5229900AMagnetooptical disk drive having improved features for reducing the size thereof in the direction normal to the disk cartridgeVICTOR COMPANY OF JAPAN·Filed 1990·Granted Jul 20, 1993·8 cites·2 claims
- 1447US3990789AProjecting system for automatically loading, threading projecting and rewinding a plurality of films in casettesVICTOR COMPANY OF JAPAN·Filed 1974·Granted Nov 9, 1976·4 cites·15 claims
- 1546US10488601B2Optical connector plug and duplex optical connector plugSEIKO GIKEN KK·Filed 2018·Granted Nov 26, 2019·0 cites·18 claims
- 1645US10806326B2Method for observing the branch portion of the hole and method for operating the endoscope systemOLYMPUS CORP·Filed 2017·Granted Oct 20, 2020·0 cites·11 claims
- 1740US10499796B2Treatment device and treatment systemOLYMPUS CORP·Filed 2016·Granted Dec 10, 2019·0 cites·11 claims
- 1838US4433406ARotary recording medium clamping mechanismVICTOR COMPANY OF JAPAN·Filed 1981·Granted Feb 21, 1984·3 cites·7 claims
- 1932US4488286ASignal-pickup cartridge for a rotary recording medium reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1982·Granted Dec 11, 1984·1 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →