Inventor · disambiguated record
Koichi Kamiyama
Also filed as: KAMIYAMA KOICHI
7 granted patents·3 pending applications·39 citations·filing 1994–2014
81Inventor score
Files withVICTOR COMPANY OF JAPAN3ALPS ELECTRIC CO LTD2SHARP KK2CASIO COMPUTER CO LTD1SASAKI TSUYOSHI1
Top patents by PatentIndex Score
10 records- 0178US8659720B2Backlight device and liquid crystal displaySASAKI TSUYOSHI·Filed 2012·Granted Feb 25, 2014·3 cites·10 claims
- 0260US6034820ADielectric optical filter with absorptive metal layerALPS ELECTRIC CO LTD·Filed 1998·Granted Mar 7, 2000·25 cites·5 claims
- 0351US7990170B2Electrostatic discharge withstand voltage evaluating device and electrostatic discharge withstand voltage evaluating methodSHARP KABUSHIKI KAIHSA·Filed 2007·Granted Aug 2, 2011·1 cites·13 claims
- 0447US2010208161A1Backlight device and liquid crystal displayVICTOR COMPANY OF JAPAN·Filed 2010·Application pending·0 cites
- 0547US2015073616A1Power supply device, power supply system, and electronic deviceSHARP KK·Filed 2014·Application pending·0 cites
- 0641US6704208B2Printed circuit board and manufacturing method thereofVICTOR COMPANY OF JAPAN·Filed 2002·Granted Mar 9, 2004·1 cites·4 claims
- 0738US6731549B2Semiconductor memory deviceSHARP KK·Filed 2002·Granted May 4, 2004·3 cites·7 claims
- 0835USD358146SElectronic video scannerCASIO COMPUTER CO LTD·Filed 1994·Granted May 9, 1995·2 cites·1 claims
- 0933US5982547AOptical filterALPS ELECTRIC CO LTD·Filed 1998·Granted Nov 9, 1999·4 cites·2 claims
- 1033US2002171530A1Production method of thin film passive element formed on printed circuit board and thin film passive element produced by the methodVICTOR COMPANY OF JAPAN·Filed 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Koichi Kamiyama 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 →