LexDanaLexDanabeta
Inventor

Yoshiyuki Kawai

Inventor
Nagoya, JP

Overview

18→
Patents
1996–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 18 as inventor

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

F01Lprimary
F01LCyclically operating valves for machines or engines34%
F01MLubricating of machines or engines in general13%
F02FCylinders, pistons or casings, for combustion engines13%
F02BInternal-combustion piston engines6%
F02DControlling combustion engines6%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof6%
Y10TTechnical subjects covered by former us classification6%
B60CVehicle tyres3%
F01PCooling of machines or engines in general3%
F16JPistons3%
PatentTitleYear
10,544,719Internal combustion engine202010,385,810Intake system of internal combustion engine with supercharger201910,151,226Oil separator201810,060,530Internal combustion engine and cover member attachment structure for internal combustion engine20189,581,061'Internal combustion engine and separator structure thereof'20179,388,765'Internal combustion engine and structure of chain cover of the same'20169,038,585'Valve timing control apparatus'20158,991,348'Valve timing control apparatus'20157,921,820'Valve timing control apparatus'20117,311,069'Variable valve timing control device'20077,007,918'Valve opening-closing timing control device'20066,994,062'Variable valve timing control device'20066,814,118'Pneumatic tire with specified airtight layer on inner surface'20046,701,878'Variable valve timing device'20046,125,804'Variable valve lift device'20005,638,782'Valve timing control device'19975,603,294'Variable valve lift device'19975,488,934'Valve gear device'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2020Patents assigned to AISIN SEIKI (17)· patent assignee history
1996Based in Nagaya, JP· patent location history
1997–2020Based in Nagoya, JP· patent location history
2000Based in Aichi, JP· patent location history
2004Patents assigned to SUMITOMO RUBBER IND (1)· patent assignee history
2004–2006Based in Toyota, JP· patent location history
2004Based in Kobe, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AISIN SEIKI171996–2020
SUMITOMO RUBBER IND12004
Locations
LocationPatentsSpan
Nagoya, JP131997–2020
Toyota, JP22004–2006
Kobe, JP12004
Aichi, JP12000
Nagaya, JP11996