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Inventor

Yasunobu Hirai

Inventor
Tokyo, JP

Overview

2→
Patents
2000–2018
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

A63Fprimary
A63FCard, board, or roulette games14%
C09DCoating compositions, e.g. paints, varnishes or lacquers14%
C23FNon-mechanical removal of metallic material from surface14%
F25BRefrigeration machines, plants or systems14%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact14%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application14%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
PatentTitleYear
9,964,367Lifetime diagnosis component for anticorrosive coating, heat exchanger, refrigeration-and-air-conditioning apparatus20186,050,896'Game image display method and game device'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to SEGA ENTERPRISES KK (1)· patent assignee history
2000–2018Based in Tokyo, JP· patent location history
2018Patents assigned to MITSUBISHI ELECTRIC CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP12018
SEGA ENTERPRISES KK12000
Locations
LocationPatentsSpan
Tokyo, JP22000–2018