Inventor · disambiguated record
Hirokazu Ishimatsu
Also filed as: ISHIMATSU HIROKAZU
2 granted patents·55 citations·filing 1997–2000
64Inventor score
Technology areasH04B
Files withOKI ELECTRIC IND CO LTD2
Top patents by PatentIndex Score
2 records- 0184US6771904B1Optical transmission system and optical channel available quality measuring methodOKI ELECTRIC IND CO LTD·Filed 2000·Granted Aug 3, 2004·41 cites·11 claims
- 0243US6018406AOptical repeater and optical transmission systemOKI ELECTRIC IND CO LTD·Filed 1997·Granted Jan 25, 2000·14 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →