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Inventor

Masakuni Hiroshima

Inventor
Saitama, JP

Overview

3→
Patents
1990–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F02Bprimary
F02BInternal-combustion piston engines50%
F02FCylinders, pistons or casings, for combustion engines25%
G01NInvestigating or analysing materials by determining their chemical or physical properties25%
PatentTitleYear
11,002,728Method for evaluating activity of G protein-coupled receptor (GPCR)20216,223,705'Two-stroke internal combustion engine'20014,934,345'Two-cycle internal combustion engine'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2001Patents assigned to KIORITZ CORP (2)· patent assignee history
1990Based in Sagamihara, JP· patent location history
2001Based in Kanagawa, JP· patent location history
2021Patents assigned to RIKEN (1)· patent assignee history
2021Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KIORITZ CORP21990–2001
RIKEN12021
Locations
LocationPatentsSpan
Saitama, JP12021
Kanagawa, JP12001
Sagamihara, JP11990