Inventor · disambiguated record
Hiroshi Tsumura
Also filed as: TSUMURA HIROSHI
13 granted patents·287 citations·filing 1991–2003
92Inventor score
Top patents by PatentIndex Score
13 records- 0195US5302685AMethod for preparing organopolysiloxane powderSHINETSU CHEMICAL CO·Filed 1993·Granted Apr 12, 1994·180 cites·9 claims
- 0284US6546759B1Glass base material manufacturing apparatus with super imposed back-and-forth burner movementSHINETSU CHEMICAL CO·Filed 2000·Granted Apr 15, 2003·18 cites·28 claims
- 0376US6442978B1Apparatus for sintering a porous glass base material and a method thereforSHINETSU CHEMICAL CO·Filed 2000·Granted Sep 3, 2002·9 cites·20 claims
- 0474US5070175AMethod for the preparation of an organopolysiloxane containing tetrafunctional siloxane unitsSHINETSU CHEMICAL CO·Filed 1991·Granted Dec 3, 1991·24 cites·7 claims
- 0572US5783721APreparation of silanesSHINETSU CHEMICAL CO·Filed 1997·Granted Jul 21, 1998·16 cites·14 claims
- 0666US6698240B1Apparatus for manufacturing glass base material and a method for manufacturing glass base materialSHINETSU CHEMICAL CO·Filed 2000·Granted Mar 2, 2004·4 cites·36 claims
- 0765US5210250AMethod for decolorizing purification of halogenated silaneSHINETSU CHEMICAL CO·Filed 1992·Granted May 11, 1993·12 cites·11 claims
- 0864US5712405APreparation of silanesSHINETSU CHEMICAL CO·Filed 1997·Granted Jan 27, 1998·10 cites·13 claims
- 0956US7055345B2Glass base material manufacturing apparatus and glass base material manufacturing methodTOBISAKA YUUJI·Filed 2003·Granted Jun 6, 2006·3 cites·22 claims
- 1054US6672112B2OVD apparatus including air-regulating structureSHINETSU CHEMICAL CO·Filed 2003·Granted Jan 6, 2004·1 cites·21 claims
- 1145US5241095AMethod for the preparation of an oximesilane compoundSHINETSU CHEMICAL CO·Filed 1992·Granted Aug 31, 1993·4 cites·9 claims
- 1245US5171872AMethod for the preparation of an oximesilane without colorationSHINETSU CHEMICAL CO·Filed 1991·Granted Dec 15, 1992·4 cites·8 claims
- 1332US5241033AMethod for decreasing content of alkoxy groups in alkoxy containing organopolysiloxaneSHINETSU CHEMICAL CO·Filed 1991·Granted Aug 31, 1993·2 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →