Inventor · disambiguated record
Tatsufumi Shiba
Also filed as: SHIBA TATSUFUMI
2 granted patents·9 citations·filing 2005–2008
55Inventor score
Technology areasC03C
Files withNIPPON SHEET GLASS CO LTD2
Top patents by PatentIndex Score
2 records- 0170US7576021B2Mother glass composition for graded index lens, graded index lens, manufacturing method of graded index lens, optical product and optical instrument using the sameNIPPON SHEET GLASS CO LTD·Filed 2005·Granted Aug 18, 2009·5 cites·13 claims
- 0269US7858546B2Mother glass composition for gradient-index lens, gradient-index lens, manufacturing method thereof, optical product, and optical deviceNIPPON SHEET GLASS CO LTD·Filed 2008·Granted Dec 28, 2010·4 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →