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Inventor

Hiromi Fujiwara

Inventor
Shizuoka, JP

Overview

9→
Patents
1987–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 9 as inventor

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

F16Hprimary
F16HGearing21%
F16DCouplings for transmitting rotation16%
F16FSprings16%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations11%
C04BLime, magnesia11%
C07KPeptides11%
G02BOptical elements, systems or apparatus5%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them5%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management5%
PatentTitleYear
10,876,611Lock-up device and torque converter202010,723,661Drying shrinkage reduction method of cement-based hardened body20209,677,642'Torque damper apparatus'20179,316,265'Torque damper apparatus'20168,657,950'Inorganic material board'20148,172,408'Lens position adjusting mechanism'20127,934,588'Torque damper'20114,681,856'Muramyldipeptide active ester derivatives'19874,672,106'Muramylpeptide active ester derivatives'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to DAIICHI SEIYAKU CO (1)· patent assignee history
1987Patents assigned to HAMAOKA TOSHIYUKI (1)· patent assignee history
1987Based in Hyogo, JP· patent location history
2011–2020Patents assigned to FCC KK (4)· patent assignee history
2011–2020Based in Shizuoka, JP· patent location history
2012Patents assigned to FUJIWARA HIROMI (1)· patent assignee history
2012Based in Osaka, JP· patent location history
2014–2020Based in Koshigaya, JP· patent location history
2016–2017Based in Hamamatsu, JP· patent location history
2020Patents assigned to DPS BRIDGE WORKS CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FCC KK42011–2020
DAIICHI SEIYAKU CO11987
DPS BRIDGE WORKS CO LTD12020
FUJIWARA HIROMIself12012
HAMAOKA TOSHIYUKI11987
Locations
LocationPatentsSpan
Shizuoka, JP22011–2020
Koshigaya, JP22014–2020
Hamamatsu, JP22016–2017
Hyogo, JP21987
Osaka, JP12012