LexDanaLexDanabeta
Inventor

Yosuharu Yokoyama

Inventor
Saitama, JP

Overview

1→
Patents
2008
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C10Mprimary
C10MLubricating compositions50%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions50%
PatentTitleYear
7,399,736'Low viscosity, high abrasion resistance engine oil composition'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008Patents assigned to TONENGENERAL SEKIYU K K (1)· patent assignee history
2008Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TONENGENERAL SEKIYU K K12008
Locations
LocationPatentsSpan
Saitama, JP12008