Inventor · disambiguated record
Yoshifumi Muramoto
Also filed as: MURAMOTO YOSHIFUMI
14 granted patents·63 citations·filing 1993–2019
89Inventor score
Files withNIPPON TELEGRAPH & TELEPHONE5ISHIBASHI TADAO4MITSUBISHI ELECTRIC CORP2NTT ELECTRONICS CORP2DOI YOSHIYUKI1
Top patents by PatentIndex Score
14 records- 0183US8575650B2Avalanche photodiodeISHIBASHI TADAO·Filed 2009·Granted Nov 5, 2013·8 cites·5 claims
- 0269US7880197B2Avalanche photodiode having doping region with monotonically increasing concentration distributionNTT ELECTRONICS CORP·Filed 2006·Granted Feb 1, 2011·2 cites·4 claims
- 0368US8754445B2Semiconductor deviceISHIBASHI TADAO·Filed 2012·Granted Jun 17, 2014·3 cites·7 claims
- 0467US10374107B2Optical waveguide integrated light receiving element and method of manufacturing the sameNIPPON TELEGRAPH & TELEPHONE·Filed 2017·Granted Aug 6, 2019·1 cites·5 claims
- 0560US11264519B2Light-receiving element and method for manufacturing elementNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Mar 1, 2022·0 cites·6 claims
- 0659US5477277AApparatus and method for controlling the muting of sound and the display of audio information on a television receiverMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Dec 19, 1995·21 cites·9 claims
- 0753US9006854B2Avalanche photodiodeISHIBASHI TADAO·Filed 2011·Granted Apr 14, 2015·0 cites·1 claims
- 0853US8729602B2Avalanche photodiodeISHIBASHI TADAO·Filed 2011·Granted May 20, 2014·0 cites·4 claims
- 0953US5315386ATelevision receiver and decoder for closed-caption broadcast providing simple character display showing existence of a closed-caption signal irrespective of user selection of closed caption demodulationMITSUBISHI ELECTRIC CORP·Filed 1993·Granted May 24, 1994·15 cites·12 claims
- 1051US8916946B2Optical semiconductor deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2014·Granted Dec 23, 2014·0 cites·14 claims
- 1146US10297705B2Avalanche photodiodeNIPPON TELEGRAPH & TELEPHONE·Filed 2015·Granted May 21, 2019·0 cites·6 claims
- 1245US6909161B2PhotodiodeNTT ELECTRONICS CORP·Filed 2002·Granted Jun 21, 2005·2 cites·6 claims
- 1344US8704322B2Optical semiconductor deviceDOI YOSHIYUKI·Filed 2012·Granted Apr 22, 2014·0 cites·9 claims
- 1438US5949120ASemiconductor photodetectorNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Sep 7, 1999·11 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Yoshifumi Muramoto 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 →