Inventor · disambiguated record
Kazuo Tachiwana
Also filed as: TACHIWANA KAZUO
15 granted patents·5 pending applications·306 citations·filing 1989–2021
93Inventor score
Top patents by PatentIndex Score
20 records- 0196US8656734B2Material for information recording medium substrate, information recording medium substrate, information recording medium, and method for manufacturing themZOU XUELU·Filed 2008·Granted Feb 25, 2014·28 cites·12 claims
- 0293US8076014B2Glass for use in substrate for information recording medium, substrate for information recording medium and information recording medium, and their manufacturing methodTACHIWANA KAZUO·Filed 2007·Granted Dec 13, 2011·25 cites·33 claims
- 0393US5972460AInformation recording mediumHOYA CORP·Filed 1997·Granted Oct 26, 1999·98 cites·20 claims
- 0490US8357459B2Glass for use in substrate for information recording medium, substrate for information recording medium and information recording medium, and their manufacturing methodHOYA CORP·Filed 2011·Granted Jan 22, 2013·8 cites·25 claims
- 0588US8077406B2On-vehicle camera lens glass material and on-vehicle camera lensHACHITANI YOICHI·Filed 2008·Granted Dec 13, 2011·16 cites·19 claims
- 0678US5668066ANear infrared absorption filter glassHOYA CORP·Filed 1996·Granted Sep 16, 1997·66 cites·8 claims
- 0776US9236077B2Glass for use as substrate for information recording medium, substrate for information recording medium and information recording medium, and their production methodsHOYA CORP·Filed 2014·Granted Jan 12, 2016·2 cites·13 claims
- 0874US4996173AOptical glassHOYA CORP·Filed 1989·Granted Feb 26, 1991·31 cites·3 claims
- 0972US7501369B2Optical glass and process for the production of optical productsHOYA CORP·Filed 2007·Granted Mar 10, 2009·9 cites·15 claims
- 1056US8785011B2Glass for use as substrate for information recording medium, substrate for information recording medium and information recording medium, and their production methodsTACHIWANA KAZUO·Filed 2012·Granted Jul 22, 2014·0 cites·30 claims
- 1155US2023139239A1Glass and article including glassHOYA CORP·Filed 2021·Application pending·0 cites
- 1254US6156684ALight polarization control element using stress-optical coefficient glass and method of producing the stress-optical coefficient glassHOYA CORP·Filed 1998·Granted Dec 5, 2000·15 cites·31 claims
- 1353US9663402B2Method for manufacturing optical elementHOYA CORP·Filed 2013·Granted May 30, 2017·0 cites·8 claims
- 1452US7015164B2Optical glass, glass material for press molding, optical element, and method of manufacturing sameHOYA CORP·Filed 2002·Granted Mar 21, 2006·8 cites·13 claims
- 1550US9718723B2Glass articleHOYA CORP·Filed 2013·Granted Aug 1, 2017·0 cites·21 claims
- 1642US2013337992A1Optical glass, glass material for press molding, optical element, and method of manufacturing sameHOYA CORP·Filed 2013·Application pending·0 cites
- 1737US2013065745A1Method for providing glass information and glass materialAOYAGI SHIGERU·Filed 2012·Application pending·0 cites
- 1836US2013059069A1Method for testing glass material, method for evaluating glass material and method for producing optical elementAOYAGI SHIGERU·Filed 2012·Application pending·0 cites
- 1934US2003147157A1Optical glass for prism, process for the production thereof, and optical part for prismFiled 2003·Application pending·0 cites
- 2029US8479539B2Optical glass, glass material for press molding, optical element, and method of manufacturing sameKASUGA YOSHIKO·Filed 2005·Granted Jul 9, 2013·0 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Kazuo Tachiwana files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →