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Inventor

Naomi Shirasawa

Inventor
Nagano, JP

Overview

10→
Patents
1998–2014
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 10 as inventor

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

F16Hprimary
F16HGearing42%
Y10TTechnical subjects covered by former us classification37%
F16CShafts11%
F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere5%
G06FElectric digital data processing5%
PatentTitleYear
8,875,598'Unit type wave gear device'20147,293,632'Brake-equipped retracting mechanism for retractable member'20076,948,855'Multi-stage cross roller bearing'20056,866,608'Planetary gear device'20056,250,179'Silk hat flexible engagement gear device'20016,182,532'Cup-type wave gear device'20015,906,142'Wave gear drive'19995,850,765'Flat wave gear drive'19985,775,178'Wave gear device'19985,715,732'Harmonic flexible meshing gear device'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2014Patents assigned to HARMONIC DRIVE SYSTEMS (9)· patent assignee history
1998–2014Based in Nagano, JP· patent location history
2007Patents assigned to HARMONIC AD INC (1)· patent assignee history
2014Patents assigned to HORIUCHI MASASHI (1)· patent assignee history
2014Patents assigned to SHIRASAWA NAOMI (1)· patent assignee history
2014Patents assigned to YOKOYAMA AKIHIRO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HARMONIC DRIVE SYSTEMS91998–2014
HARMONIC AD INC12007
HORIUCHI MASASHI12014
SHIRASAWA NAOMIself12014
YOKOYAMA AKIHIRO12014
Locations
LocationPatentsSpan
Nagano, JP101998–2014