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Inventor

Hirotoshi Fujita

Inventor
Tokyo, JP

Overview

7→
Patents
2008–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 7 as inventor

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

F02Nprimary
F02NStarting of combustion engines60%
F02BInternal-combustion piston engines10%
F02DControlling combustion engines10%
F02FCylinders, pistons or casings, for combustion engines10%
F16DCouplings for transmitting rotation10%
PatentTitleYear
10,975,763Variable-compression-ratio internal combustion engine20219,976,532Recoil starter20188,616,170'Recoil starter'20138,297,250'Recoil starter'20128,286,604'Starter for small engine'20127,650,868'Recoil starter'20107,458,355'Recoil starter'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2018Patents assigned to STARTING IND (6)· patent assignee history
2008–2018Based in Tokyo, JP· patent location history
2012–2018Patents assigned to FUJITA HIROTOSHI (4)· patent assignee history
2012–2013Patents assigned to HORIKOSHI YOSHINORI (2)· patent assignee history
2012–2013Patents assigned to KIHARA TARO (2)· patent assignee history
2012–2013Patents assigned to NIEDA SEIICHI (2)· patent assignee history
2021Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
STARTING IND62008–2018
FUJITA HIROTOSHIself42012–2018
HORIKOSHI YOSHINORI22012–2013
KIHARA TARO22012–2013
NIEDA SEIICHI22012–2013
Locations
LocationPatentsSpan
Tokyo, JP62008–2018
Kanagawa, JP12021