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Inventor

Masakazu Toyama

Inventor
Tokyo, JP

Overview

8→
Patents
1994–2021
Patent span
Physics
Primary field (CPC G)

Patents· 8 as inventor

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

G08Gprimary
G08GTraffic control systems43%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for7%
C04BLime, magnesia7%
F16DCouplings for transmitting rotation7%
F16HGearing7%
G06VImage or video recognition or understanding7%
H02KDynamo-electric machines7%
H04NPictorial communication, e.g. television7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
10,953,802Electric retractable view device for vehicle, and shaft outside-fitting gear incorporated in the device20216,024,791'Molded bodies of cement type admixed and kneaded material having excellent bending strength and compression strength and a method of manufacturing the same'20005,590,217'Vehicle activity measuring apparatus'19965,509,082'Vehicle movement measuring apparatus'19965,444,442'Method for predicting traffic space mean speed and traffic flow rate, and method and apparatus for controlling isolated traffic light signaling system through predicted traffic flow rate'19955,432,547'Device for monitoring disregard of a traffic signal'19955,353,021'Apparatus for measuring moving state of vehicle in tunnel'19945,301,239'Apparatus for measuring the dynamic state of traffic'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1996Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (6)· patent assignee history
1994–1996Based in Tokyo, JP· patent location history
1995Patents assigned to UNIV TOKAI EDUCATIONAL SYSTEM (1)· patent assignee history
2000Patents assigned to MITOMO SHOJI KABUSHIKI KAISHA (1)· patent assignee history
2000Based in Yokohama, JP· patent location history
2021Patents assigned to MURAKAMI CORP (1)· patent assignee history
2021Based in Kakegawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD61994–1996
MITOMO SHOJI KABUSHIKI KAISHA12000
MURAKAMI CORP12021
UNIV TOKAI EDUCATIONAL SYSTEM11995
Locations
LocationPatentsSpan
Tokyo, JP61994–1996
Kakegawa, JP12021
Yokohama, JP12000