Inventor · disambiguated record
Sadao Chigira
Also filed as: CHIGIRA SADAO
5 granted patents·440 citations·filing 1985–1995
86Inventor score
Top patents by PatentIndex Score
5 records- 0196US5547501AMethod for formation of invisible marking and method for reading of invisible markingKANSAI PAINT CO LTD·Filed 1995·Granted Aug 20, 1996·159 cites·18 claims
- 0292US4896941AImage-transmitting fiberDORYOKURO KAKUNENRYO·Filed 1989·Granted Jan 30, 1990·136 cites·13 claims
- 0386US4770493AHeat and radiation resistant optical fiberDORYOKURO KAKUNENRYO·Filed 1986·Granted Sep 13, 1988·65 cites·5 claims
- 0478US5686725AMethod for reading of invisible markingKANSAI PAINT CO LTD·Filed 1995·Granted Nov 11, 1997·68 cites·15 claims
- 0547US4707075AVery-low-temperature fiberscopeTOSHIBA KK·Filed 1985·Granted Nov 17, 1987·12 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →