Kubota; Kunichika

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kubota; Kunichika.The latest application filed is for "piston ring material for internal combustion engine".

Company Profile

0.7.8

Kubota; Kunichika - Yasugi N/A JP
Kubota; Kunichika - Higashiizumo JP
Kubota; Kunichika - Yasugi-shi JP
Kubota; Kunichika - Yatsuka-gun JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Cold die steel excellent in characteristic of suppressing dimensional change Grant 8,815,147 - Kubota , et al. August 26, 2	2014-08-26
Piston ring material for internal combustion engine Grant 8,480,821 - Ohishi , et al. July 9, 2	2013-07-09
Alloy to be surface-coated and sliding members Grant 8,409,712 - Yokoyama , et al. April 2, 2	2013-04-02
Piston Ring Material For Internal Combustion Engine App 20120145289 - OHISHI; Katsuhiko ; et al.	2012-06-14
Coated-surface Sliding Part Having Excellent Coating Adhesion And Method For Producing The Same App 20120114964 - Honda; Fumiaki ; et al.	2012-05-10
Piston Ring Material For Internal Combustion Engine App 20110018207 - Ohishi; Katsuhiko ; et al.	2011-01-27
Alloy To Be Surface-coated And Sliding Members App 20100291407 - Yokoyama; Kenji ; et al.	2010-11-18
Piston Ring Material For Internal Combustion Engine App 20100158745 - Ohishi; Katsuhiko ; et al.	2010-06-24
Cold Die Steel Excellent In Characteristic Of Suppressing Dimensional Change App 20090120540 - Kubota; Kunichika ; et al.	2009-05-14
Material for sliding parts having self lubricity and wire material for piston ring App 20060048865 - Fujita; Etsuo ; et al.	2006-03-09
Self-lubricating piston ring material for internal combustion engine and piston ring App 20020005616 - Kubota, Kunichika ; et al.	2002-01-17
Target for reactive sputtering and film-forming method using the target Grant 5,489,367 - Kubota , et al. February 6, 1	1996-02-06

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