Inventor · disambiguated record
Isao Ohyama
Also filed as: OHYAMA ISAO
6 granted patents·1 pending application·81 citations·filing 1979–2001
83Inventor score
Top patents by PatentIndex Score
7 records- 0164US5396569AOptical line monitoring method and an apparatus permitting simultaneous line monitoring and information communicationFURUKAWA ELECTRIC CO LTD·Filed 1993·Granted Mar 7, 1995·36 cites·7 claims
- 0252US5214725AOptical coupler/splitter with a filterFURUKAWA ELECTRIC CO LTD·Filed 1992·Granted May 25, 1993·16 cites·3 claims
- 0349US6480642B1Hybrid optical waveguide circuit chip, and method for predicting the characteristics thereofFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted Nov 12, 2002·3 cites·5 claims
- 0448US4257286APrecision driving apparatusNIPPON KOGAKU KK·Filed 1979·Granted Mar 24, 1981·10 cites·3 claims
- 0540US5649037AOptical waveguide component and a light signal processing method using the sameFURUKAWA ELECTRIC CO LTD·Filed 1995·Granted Jul 15, 1997·9 cites·11 claims
- 0637US5529595AMethod of positioning elements of an optical integrated circuitFURUKAWA ELECTRIC CO LTD·Filed 1995·Granted Jun 25, 1996·7 cites·8 claims
- 0735US2003039043A1Optical hybrid module, optical device thereof and semifabricated product for the optical deviceFURUKAWA ELECTRIC CO LTD·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →