Inventor

Toru Sugawara

Inventor
Fujisawa, JP

Overview

21→
Patents
1978–2017
Patent span
Physics
Primary field (CPC G)

Patents· 21 as inventor

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

G07Fprimary
G07FCoin-freed or like apparatus15%
H01JElectric discharge tubes or discharge lamps10%
A63FCard, board, or roulette games8%
F02DControlling combustion engines8%
G06KGraphical data reading8%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes8%
F02PIgnition, other than compression ignition, for internal-combustion engines5%
H05HPlasma technique5%
Y02TClimate change mitigation technologies related to transportation5%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1984Patents assigned to HITACHI LTD (8)· patent assignee history
1978–1984Based in Hitachi, JP· patent location history
1980–1984Based in Ibaraki, JP· patent location history
1984–1986Patents assigned to TOKYO SHIBAURA ELECTRIC CO (3)· patent assignee history
1984–1990Based in Fujisawa, JP· patent location history
1987–1990Patents assigned to TOSHIBA KK (3)· patent assignee history
2013–2017Patents assigned to UNIVERSAL ENTERTAINMENT CORP (6)· patent assignee history
2013–2017Patents assigned to ARUZE GAMING AMERICA INC (3)· patent assignee history
2013Based in Koto-ku, JP· patent location history
2015–2017Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD81978–1984
UNIVERSAL ENTERTAINMENT CORP62013–2017
ARUZE GAMING AMERICA INC32013–2017
TOKYO SHIBAURA ELECTRIC CO31984–1986
TOSHIBA KK31987–1990
Locations
LocationPatentsSpan
Fujisawa, JP61984–1990
Tokyo, JP52015–2017
Hitachi, JP51978–1984
Ibaraki, JP31980–1984
Koto-ku, JP12013