Inventor · disambiguated record
Koichi Hadama
Also filed as: HADAMA KOICHI
9 granted patents·2 pending applications·13 citations·filing 2009–2020
79Inventor score
Top patents by PatentIndex Score
11 records- 0181US10006831B2End face observation deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2014·Granted Jun 26, 2018·5 cites·24 claims
- 0276US11797092B2Electronic apparatus that generates illusion of diagonal tractionNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Oct 24, 2023·1 cites·9 claims
- 0376US9467755B2Optical switchNIPPON TELEGRAPH & TELEPHONE·Filed 2013·Granted Oct 11, 2016·4 cites·13 claims
- 0470US9588300B2Optical input/output deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2013·Granted Mar 7, 2017·3 cites·6 claims
- 0551US9967050B2Optical signal processing deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2014·Granted May 8, 2018·0 cites·19 claims
- 0651US9723387B2Optical signal processing device with an array waveguide coupled to a slab waveguide with two arcsNIPPON TELEGRAPH & TELEPHONE·Filed 2013·Granted Aug 1, 2017·0 cites·13 claims
- 0748US2022187170A1Tactile Device Inspection System, Device, and MethodNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Application pending·0 cites
- 0846US9645321B2Optical signal processing deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2013·Granted May 9, 2017·0 cites·21 claims
- 0945US2016286288A1Optical SwitchNIPPON TELEGRAPH & TELEPHONE·Filed 2014·Application pending·0 cites
- 1038US9323002B2Light multiplexerMITSUHASHI YUJI·Filed 2009·Granted Apr 26, 2016·0 cites·4 claims
- 1134US8699832B2Optical switchMATSUURA NOBUAKI·Filed 2010·Granted Apr 15, 2014·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →