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Inventor

Hiroshi Soma

Inventor
Tokyo, JP

Overview

18→
Patents
1976–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 18 as inventor

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

H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers21%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them14%
H04MTelephonic communication10%
H04WWireless communication networks7%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use7%
B02CCrushing, pulverising, or disintegrating in general3%
B41JTypewriters3%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for3%
E02DFoundations3%
E21DShafts3%
PatentTitleYear
10,221,537Artificial ground freezing method and artificial ground freezing system20197,542,783'Portable communication terminal'20097,239,416'Printing method, portable communication terminal and portable printer'20077,020,493'Portable communication terminal with multiple displays'20066,815,073'Electronic component and method of manufacturing the same'20046,573,925'Optical printer module'20036,349,173'Camera with motor-driven lens barrel'20026,208,809'Camera with motor-driven lens barrel'20015,742,624'Fault detecting apparatus and method'19985,740,479'Photographic camera'19985,574,264'Active exhaust-noise attenuation muffler'19964,643,366'Roller mill'19874,597,470'Car speaker system'19864,365,113'Speaker unit for automotive vehicles'19824,365,114'Automotive loudspeaker having variable speaker orientation and particular electrical connections'19824,056,165'Sound reproducing apparatus in the inside of a car'19774,005,761'Car loud speaker'19773,952,834'Embedded type speaker with over lying grill'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1986Patents assigned to PIONEER ELECTRONIC CORP (5)· patent assignee history
1976–1996Based in Tokyo, JP· patent location history
1977–1986Patents assigned to HONDA MOTOR CO LTD (2)· patent assignee history
1996Patents assigned to CALSONIC CORP (1)· patent assignee history
1998–2006Patents assigned to FUJI PHOTO FILM CO LTD (5)· patent assignee history
1998–2002Based in Saitama, JP· patent location history
2003–2009Based in Asaka, JP· patent location history
2004Based in Johoku, JP· patent location history
2007–2009Patents assigned to FUJIFILM CORP (2)· patent assignee history
2019Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJI PHOTO FILM CO LTD51998–2006
PIONEER ELECTRONIC CORP51976–1986
FUJIFILM CORP22007–2009
HONDA MOTOR CO LTD21977–1986
CALSONIC CORP11996
Locations
LocationPatentsSpan
Tokyo, JP71976–1996
Asaka, JP42003–2009
Saitama, JP31998–2002
Kanagawa, JP12019
Johoku, JP12004