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Inventor

Yoshihiro Yamakawa

Inventor
Tokyo, JP

Overview

4→
Patents
1998–2018
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

A63Fprimary
A63FCard, board, or roulette games17%
B29BPreparation or pretreatment of the material to be shaped17%
B29CShaping or joining of plastics17%
G07FCoin-freed or like apparatus17%
LOC1417%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management17%
PatentTitleYear
10,099,132Game image generation device and program201810,071,312Game image generation device and program2018D0610125'Amplifier'20105,736,081'Method and apparatus for forming composite material including solid filler particles'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to MITSUBOSHI BELTING LTD (1)· patent assignee history
1998Based in Komaki, JP· patent location history
2010Patents assigned to ALPINE ELECTRONICS INC (1)· patent assignee history
2010Based in Hannou, JP· patent location history
2018Patents assigned to SEGA SAMMY CREATION INC (1)· patent assignee history
2018Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALPINE ELECTRONICS INC12010
MITSUBOSHI BELTING LTD11998
SEGA SAMMY CREATION INC12018
Locations
LocationPatentsSpan
Tokyo, JP22018
Hannou, JP12010
Komaki, JP11998