Inventor · disambiguated record
Seishi Chiba
Also filed as: CHIBA SEISHI
7 granted patents·72 citations·filing 1977–1990
85Inventor score
Technology areasH01H
Top patents by PatentIndex Score
7 records- 0175US4830821AProcess of making a contact forming material for a vacuum valveTOSHIBA KK·Filed 1988·Granted May 16, 1989·18 cites·7 claims
- 0270US4777335AContact forming material for a vacuum valveTOSHIBA KK·Filed 1987·Granted Oct 11, 1988·15 cites·7 claims
- 0356US5045281AContact forming material for a vacuum interrupterTOSHIBA KK·Filed 1990·Granted Sep 3, 1991·14 cites·11 claims
- 0453US5109145AVacuum interrupter contacts and process for producing the sameTOSHIBA KK·Filed 1989·Granted Apr 28, 1992·10 cites·20 claims
- 0551US5149362AContact forming material for a vacuum interrupterTOSHIBA KK·Filed 1989·Granted Sep 22, 1992·9 cites·9 claims
- 0642US4129760AVacuum circuit breakerTOKYO SHIBAURA ELECTRIC CO·Filed 1977·Granted Dec 12, 1978·4 cites·4 claims
- 0728US4129761AVacuum circuit breakerTOKYO SHIBAURA ELECTRIC CO·Filed 1977·Granted Dec 12, 1978·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →