Inventor · disambiguated record
Koichi Shimokawa
Also filed as: SHIMOKAWA KOICHI
19 granted patents·5 pending applications·762 citations·filing 2003–2018
95Inventor score
Top patents by PatentIndex Score
24 records- 0198US7833641B2Magnetic diskWD MEDIA SINGAPORE PTE LTD·Filed 2007·Granted Nov 16, 2010·75 cites·3 claims
- 0298US7531485B2Method of producing a lubricant for a magnetic disk, lubricant for a magnetic disk, magnetic disk, and method of producing a magnetic diskHOYA CORP·Filed 2005·Granted May 12, 2009·71 cites·12 claims
- 0397US8178480B2Lubricant for magnetic disk, process for producing the same, and magnetic diskHAMAKUBO KATSUSHI·Filed 2007·Granted May 15, 2012·80 cites·8 claims
- 0497US8012920B2Lubricant for magnetic disks, method for producing the lubricant used in the magnetic disks, and method for manufacturing the sameWD MEDIA SINGAPORE PTE LTD·Filed 2005·Granted Sep 6, 2011·69 cites·11 claims
- 0597US7277254B2Magnetic recording disk and process for manufacture thereofHOYA CORP·Filed 2005·Granted Oct 2, 2007·74 cites·4 claims
- 0696US8062778B2Magnetic recording disk and method for manufacture thereofSUZUKI KOTA·Filed 2006·Granted Nov 22, 2011·73 cites·7 claims
- 0796US7252897B2Magnetic recording disk and process for manufacture thereofHOYA CORP·Filed 2003·Granted Aug 7, 2007·82 cites·6 claims
- 0896US7105241B2Magnetic disk and method of manufacturing sameHOYA MAGNETICS SINGAPORE PTE·Filed 2004·Granted Sep 12, 2006·73 cites·11 claims
- 0996US7045215B2Magnetic recording disk and process for manufacture thereofHOYA CORP·Filed 2004·Granted May 16, 2006·69 cites·10 claims
- 1094US8492011B2Lubricant compound for a magnetic disk, magnetic disk, and method of manufacturing the sameITOH KAE·Filed 2010·Granted Jul 23, 2013·74 cites·9 claims
- 1191US8999534B2Lubricant for magnetic disk and magnetic diskSHIMOKAWA KOICHI·Filed 2010·Granted Apr 7, 2015·6 cites·3 claims
- 1284US9177586B2Magnetic disk and manufacturing method thereofSHIMOKAWA KOICHI·Filed 2009·Granted Nov 3, 2015·5 cites·9 claims
- 1383US8697262B2Lubricant for magnetic disc, magnetic disc and method of producing the sameHAMAKUBO KATSUSHI·Filed 2011·Granted Apr 15, 2014·3 cites·8 claims
- 1472US9558778B2Lubricant compound for magnetic disk and magnetic diskSUZUKI KOTA·Filed 2010·Granted Jan 31, 2017·2 cites·7 claims
- 1566US9984715B2Magnetic disk and manufacturing method thereofWD MEDIA LLC·Filed 2015·Granted May 29, 2018·0 cites·11 claims
- 1666US8920872B2Method of producing a magnetic recording discITOH KAE·Filed 2011·Granted Dec 30, 2014·2 cites·6 claims
- 1757US8794196B2Chain sawSHIMOKAWA KOICHI·Filed 2008·Granted Aug 5, 2014·4 cites·11 claims
- 1855US8999533B2Magnetic disk and method of manufacturing the sameSHIMOKAWA KOICHI·Filed 2009·Granted Apr 7, 2015·0 cites·3 claims
- 1950US2018268853A1Magnetic disk and manufacturing method thereofWD MEDIA LLC·Filed 2018·Application pending·0 cites
- 2049US2010232065A1Magnetic disk and method of manufacturing the sameHOYA CORP·Filed 2007·Application pending·0 cites
- 2145US2010083512A1Chain sawHUSQVARNA ZENOAH CO LTD·Filed 2008·Application pending·0 cites
- 2244US2009136784A1Magnetic recording disk and method for manufacture thereofHOYA CORP·Filed 2006·Application pending·0 cites
- 2341US2006050580A1Method for generating identification code of semiconductor device, method for identifying semiconductor device and semiconductor deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Application pending·0 cites
- 2438US8846137B2Method of manufacturing a magnetic diskSHIMOKAWA KOICHI·Filed 2010·Granted Sep 30, 2014·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →