Maruyama; Sei

Patent Applications and Registrations

Patent applications and USPTO patent grants for Maruyama; Sei.The latest application filed is for "oil separation device for internal combustion engine".

Company Profile

2.8.6

Maruyama; Sei - Wako JP
Maruyama; Sei - Wako-shi 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
Oil separation device for internal combustion engine Grant 10,533,470 - Fujii , et al. Ja	2020-01-14
Oil separation device for internal combustion engine Grant 10,329,975 - Fujii , et al.	2019-06-25
Oil Separation Device For Internal Combustion Engine App 20170321580 - Fujii; Takeshi ; et al.	2017-11-09
Oil Separation Device For Internal Combustion Engine App 20160265404 - Fujii; Takeshi ; et al.	2016-09-15
Camshaft support structure for internal combustion engine Grant 9,091,188 - Nagakura , et al. July 28, 2	2015-07-28
Cooling water passage structure in cylinder head of internal combustion engine Grant 8,904,773 - Maruyama , et al. December 9, 2	2014-12-09
Detent structure for rocker shaft Grant 8,613,265 - Maruyama , et al. December 24, 2	2013-12-24
Cooling water passage structure in cylinder head of internal combustion engine Grant 8,544,427 - Maruyama , et al. October 1, 2	2013-10-01
Detent Structure For Rocker Shaft App 20130133601 - MARUYAMA; Sei ; et al.	2013-05-30
Camshaft Support Structure For Internal Combustion Engine App 20130133600 - NAGAKURA; Masaki ; et al.	2013-05-30
Cooling Water Passage Structure In Cylinder Head Of Internal Combustion Engine App 20110226197 - MARUYAMA; Sei ; et al.	2011-09-22
Cooling Water Passage Structure In Cylinder Head Of Internal Combustion Engine App 20110226198 - MARUYAMA; Sei ; et al.	2011-09-22

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.