Inventor

Junichi Usui

Inventor
Osaka, JP

Overview

10→
Patents
1990–2006
Patent span
Electricity
Primary field (CPC H)

Patents· 10 as inventor

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

B62Dprimary
B62DMotor vehicles18%
Y10TTechnical subjects covered by former us classification18%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers14%
H04SStereophonic systems14%
H04NPictorial communication, e.g. television9%
B60LPropulsion of electrically-propelled vehicles5%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for5%
B61LGuiding railway traffic5%
G09GArrangements or circuits for control of indicating devices using static means to present variable information5%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1991Patents assigned to DAIFUKU KK (4)· patent assignee history
1990–1991Patents assigned to MAZDA MOTOR (4)· patent assignee history
1990–1991Based in Osaka, JP· patent location history
1991Based in Ohsaka, JP· patent location history
2001Patents assigned to PIONEER ELECTRONIC CORP (1)· patent assignee history
2001–2005Based in Fukuroi, JP· patent location history
2002–2006Patents assigned to SONY CORP (3)· patent assignee history
2002Based in Tokyo, JP· patent location history
2005Patents assigned to PIONEER DISPLAY PROD CORP (1)· patent assignee history
2006Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAIFUKU KK41990–1991
MAZDA MOTOR41990–1991
SONY CORP32002–2006
PIONEER DISPLAY PROD CORP12005
PIONEER ELECTRONIC CORP12001
Locations
LocationPatentsSpan
Osaka, JP31990–1991
Fukuroi, JP22001–2005
Tokyo, JP22002
Saitama, JP12006
Ohsaka, JP11991