Inventor · disambiguated record
Hisao Iitsuka
Also filed as: IITSUKA HISAO
4 granted patents·135 citations·filing 1988–1996
80Inventor score
Top patents by PatentIndex Score
4 records- 0180US5677973AMethod of aligning optical fiber to optical fiber or optical fiber to optical element at junction and optical fiber arrayHITACHI CABLE·Filed 1995·Granted Oct 14, 1997·69 cites·27 claims
- 0264US5671316AConnecting structure of optical fiber to optical waveguideHITACHI CABLE·Filed 1996·Granted Sep 23, 1997·28 cites·21 claims
- 0359US5471301AOptical fiber gyroHITACHI CABLE·Filed 1994·Granted Nov 28, 1995·25 cites·5 claims
- 0446US4962375ADriving circuit for a light emitting diode arrayHITACHI LTD·Filed 1988·Granted Oct 9, 1990·13 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →