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Inventor

Kunikazu Hirosawa

Inventor
Tokyo, JP

Overview

2→
Patents
1989–2019
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

B60Rprimary
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for14%
B62DMotor vehicles14%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves14%
G06TImage data processing or generation, in general14%
G10KSound-producing devices14%
H01HElectric switches14%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers14%
PatentTitleYear
10,319,121Acoustic performance calculation device, acoustic performance calculation method, and acoustic performance calculation program20194,868,355'Steering wheel segmented slip ring and contact pin assembly'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to TOYODA GOSEI KK (1)· patent assignee history
1989Based in Nishikasugai-gun, JP· patent location history
2019Patents assigned to NITTOBO ACOUSTIC ENG CO LTD (1)· patent assignee history
2019Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NITTOBO ACOUSTIC ENG CO LTD12019
TOYODA GOSEI KK11989
Locations
LocationPatentsSpan
Tokyo, JP12019
Nishikasugai-gun, JP11989