Inventor · disambiguated record

Kenichiro Umesaki

Also filed as: UMESAKI KENICHIRO

2 granted patents·18 citations·filing 1984–1992

58Inventor score

Technology areasG01J G02B

Files withANRITSU CORP1 ANRITSU ELECTRIC CO LTD1

Top patents by PatentIndex Score

2 records

0145US4643572ADriving circuit of a gratingANRITSU ELECTRIC CO LTD·Filed 1984·Granted Feb 17, 1987·11 cites·1 claims
0230US5210657AOptical attenuator apparatus without steep level variationANRITSU CORP·Filed 1992·Granted May 11, 1993·7 cites·16 claims

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