Inventor · disambiguated record
Keijiro Shigeru
Also filed as: SHIGERU KEIJIRO
9 granted patents·4 pending applications·218 citations·filing 1988–2019
88Inventor score
Files withSUMITOMO OSAKA CEMENT CO LTD8SHIGERU KEIJIRO2OBATA KATSUTOSHI1SUMITOMO CEMENT CO1SUMITOMO OSAKA CEMENT CO1
Top patents by PatentIndex Score
13 records- 0191US6180162B1Method of producing antimicrobial metal articles and antimicrobial metal articles produced by the methodSUMITOMO OSAKA CEMENT CO LTD·Filed 1998·Granted Jan 30, 2001·77 cites·28 claims
- 0284US5807641AAnti-bacterial and anti-fungal glaze composition for ceramic productsSUMITOMO OSAKA CEMENT CO LTD·Filed 1995·Granted Sep 15, 1998·69 cites·13 claims
- 0382US6509057B2Antibacterial, antifungal or antialgal article and process for producing sameSUMITOMO OSAKA CEMENT CO LTD·Filed 2001·Granted Jan 21, 2003·29 cites·3 claims
- 0466US8709616B2Cooking device and method of manufacture of the sameSHIGERU KEIJIRO·Filed 2008·Granted Apr 29, 2014·2 cites·4 claims
- 0559US8404307B2Hydrophilic film, process for producing same, and coating material for forming hydrophilic filmSHIGERU KEIJIRO·Filed 2009·Granted Mar 26, 2013·0 cites·5 claims
- 0658US5882808AAnti-bacterial and anti-fungal ceramic productSUMITOMO OSAKA CEMENT CO LTD·Filed 1995·Granted Mar 16, 1999·22 cites·15 claims
- 0758US4996177ASintered alumina article with high flexural strength and process for producing sameSUMITOMO CEMENT CO·Filed 1988·Granted Feb 26, 1991·19 cites·5 claims
- 0854US10480081B2Method of manufacturing dishwasherSUMITOMO OSAKA CEMENT CO LTD·Filed 2016·Granted Nov 19, 2019·0 cites·7 claims
- 0953US11802086B2Anti-fouling coating film, glass ceramic product, coating material for forming anti-fouling coating film, and method for producing glass ceramic productSUMITOMO OSAKA CEMENT CO LTD·Filed 2019·Granted Oct 31, 2023·0 cites·5 claims
- 1046US2008233408A1Method for Manufacturing Water-Using Household Equipment and Water-Using Household EquipmentOBATA KATSUTOSHI·Filed 2006·Application pending·0 cites
- 1145US2015210600A1Porous article and method of producing the sameSUMITOMO OSAKA CEMENT CO LTD·Filed 2014·Application pending·0 cites
- 1243US2010227177A1Sanitary ware and process for production thereofSUMITOMO OSAKA CEMENT CO LTD·Filed 2008·Application pending·0 cites
- 1334US2005154112A1Hydrophilic film, process for producing the same, and paint for formation of hydrophilic filmSUMITOMO OSAKA CEMENT CO·Filed 2003·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Keijiro Shigeru 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 →