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Inventor

Hiromasa Higasa

Inventor
Takamatsu, JP

Overview

9→
Patents
1992–1998
Patent span
Performing operations
Primary field (CPC B)

Patents· 9 as inventor

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

H02Jprimary
H02JElectric power networks24%
F16CShafts18%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles12%
B60LPropulsion of electrically-propelled vehicles12%
Y02TClimate change mitigation technologies related to transportation12%
B60TVehicle brake control systems or parts thereof6%
PatentTitleYear
5,719,455'Method of designing a superconductivity employing apparatus and a superconductivity employing apparatus constructed by the method'19985,646,811'Reverse-charge prevention apparatus'19975,525,849'Superconducting bearing'19965,465,806'Electric vehicle'19955,313,130'Superconduction bearing'19945,222,568'Electric vehicle'19935,162,964'Connection control device for controlling the connection of small generator unit to electric power system'19925,111,377'Interconnection for electric power system'19925,099,145'System disconnection detection circuit for a distributed location power source'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1996Patents assigned to SHIKOKU RESEARCH INST INC (4)· patent assignee history
1992–1994Patents assigned to MITSUBISHI ELECTRIC CORP (2)· patent assignee history
1992–1994Patents assigned to SHIKOKU ELEC POWER (2)· patent assignee history
1992–1998Based in Takamatsu, JP· patent location history
1992–1995Based in Kagawa, JP· patent location history
1993–1998Patents assigned to SHIKOKU SOGO KENKYUSHO KK (5)· patent assignee history
1994–1996Patents assigned to SEIKO EPSON CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHIKOKU SOGO KENKYUSHO KK51993–1998
SHIKOKU RESEARCH INST INC41992–1996
MITSUBISHI ELECTRIC CORP21992–1994
SEIKO EPSON CORP21994–1996
SHIKOKU ELEC POWER21992–1994
Locations
LocationPatentsSpan
Takamatsu, JP61992–1998
Kagawa, JP31992–1995