Inventor · disambiguated record
Takaharu Ohyama
Also filed as: OHYAMA TAKAHARU
4 granted patents·1 pending application·21 citations·filing 2003–2014
66Inventor score
Top patents by PatentIndex Score
5 records- 0177US7397977B2Wave transmission medium and waveguide circuitNIPPON TELEGRAPH & TELEPHONE·Filed 2003·Granted Jul 8, 2008·20 cites·55 claims
- 0251US8916946B2Optical semiconductor deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2014·Granted Dec 23, 2014·0 cites·14 claims
- 0347US8545111B2Optical moduleOHYAMA TAKAHARU·Filed 2008·Granted Oct 1, 2013·1 cites·22 claims
- 0444US8704322B2Optical semiconductor deviceDOI YOSHIYUKI·Filed 2012·Granted Apr 22, 2014·0 cites·9 claims
- 0543US2008226290A1Optical signal monitoring apparatus, optical system and optical signal monitoring methodNIPPON TELEGRAPH & TELEPHONE·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →