Inventor · disambiguated record
Yasunori Iwafuji
Also filed as: IWAFUJI YASUNORI
5 granted patents·99 citations·filing 1988–2002
82Inventor score
Top patents by PatentIndex Score
5 records- 0191US7164865B2Optical fiber communication equipment and its applied optical systemsOPNEXT JAPAN INC·Filed 2001·Granted Jan 16, 2007·44 cites·21 claims
- 0272US7215886B2Optical communication moduleHITACHI LTD·Filed 2002·Granted May 8, 2007·23 cites·12 claims
- 0349US5162838AFacsimile apparatus and method for processing a fixed documentHITACHI LTD·Filed 1991·Granted Nov 10, 1992·14 cites·27 claims
- 0446US5903697AOptical waveguide, method of making the same and integrated optical deviceHITACHI LTD·Filed 1997·Granted May 11, 1999·12 cites·17 claims
- 0535US4858096AResonant converter for stabilized operation of switching devicesHITACHI LTD·Filed 1988·Granted Aug 15, 1989·6 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →