Inventor · disambiguated record
Akihiro Yamagishi
Also filed as: YAMAGISHI AKIHIRO
8 granted patents·1 pending application·83 citations·filing 1999–2020
83Inventor score
Top patents by PatentIndex Score
9 records- 0172US11558114B2Optical transmission characteristics compensating method and optical transmission characteristics compensating systemNTT ELECTRONICS CORP·Filed 2020·Granted Jan 17, 2023·1 cites·18 claims
- 0268US6516186B1Image-rejection receiverNIPPON TELEGRAPH & TELEPHONE·Filed 1999·Granted Feb 4, 2003·30 cites·10 claims
- 0368US6188261B1Programmable delay generator and application circuits having said delay generatorNIPPON TELEGRAPH & TELEPHONE·Filed 1999·Granted Feb 13, 2001·35 cites·22 claims
- 0456US6759912B2Phase locked loopNIPPON TELEGRAPH & TELEPHONE·Filed 2002·Granted Jul 6, 2004·10 cites·7 claims
- 0555US7180341B2Variable division method and variable dividerNIPPON TELEGRAPH & TELEPHONE·Filed 2004·Granted Feb 20, 2007·7 cites·8 claims
- 0646US10396895B2Compensation coefficient calculation methodNTT ELECTRONICS CORP·Filed 2017·Granted Aug 27, 2019·0 cites·11 claims
- 0740US11228366B2Optical transmission characteristics estimation method, optical transmission characteristics estimation system, and optical transmission characteristics compensation systemNTT ELECTRONICS CORP·Filed 2020·Granted Jan 18, 2022·0 cites·18 claims
- 0840US10637569B2Optical transmission characteristic estimation method, optical transmission characteristic compensation method, optical transmission characteristic estimation system and optical transmission characteristic compensation systemNTT ELECTRONICS CORP·Filed 2017·Granted Apr 28, 2020·0 cites·15 claims
- 0930US2005116258A1Two-modulus prescaler circuitFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →