Inventor

Hiroyasu Koyama

Inventor
Kyoto, JP

Overview

16→
Patents
2004–2019
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 16 as inventor

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

F01Nprimary
F01NGas-flow silencers or exhaust apparatus for machines or engines in general16%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy16%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution16%
Y02TClimate change mitigation technologies related to transportation13%
F02DControlling combustion engines9%
Y02PClimate change mitigation technologies in the production or processing of goods9%
F01PCooling of machines or engines in general6%
F01LCyclically operating valves for machines or engines3%
F02FCylinders, pistons or casings, for combustion engines3%
F04BPositive-displacement machines for liquids3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2019Patents assigned to TOYOTA MOTOR CO LTD (7)· patent assignee history
2004–2006Based in Susono, JP· patent location history
2005–2006Patents assigned to YAMAHA MOTOR CO LTD (2)· patent assignee history
2005–2009Based in Mishima, JP· patent location history
2007Patents assigned to DENSO CORP (1)· patent assignee history
2015–2019Patents assigned to NIPPON THERMOSTAT KK (2)· patent assignee history
2015–2019Based in Toyota, JP· patent location history
2016–2019Patents assigned to GS YUASA INT LTD (6)· patent assignee history
2016–2019Based in Kyoto, JP· patent location history
2017Based in Nagoya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYOTA MOTOR CO LTD72004–2019
GS YUASA INT LTD62016–2019
NIPPON THERMOSTAT KK22015–2019
YAMAHA MOTOR CO LTD22005–2006
DENSO CORP12007
Locations
LocationPatentsSpan
Kyoto, JP62016–2019
Mishima, JP42005–2009
Susono, JP32004–2006
Toyota, JP22015–2019
Nagoya, JP12017