Inventor

Tomofumi Yamashita

Inventor
Fujisawa, JP

Overview

14→
Patents
2003–2017
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 14 as inventor

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

F16Hprimary
F16HGearing27%
Y10TTechnical subjects covered by former us classification16%
G03GElectrography8%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems8%
H05BElectric heating8%
B21JForging5%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels5%
F16DCouplings for transmitting rotation5%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications5%
B60TVehicle brake control systems or parts thereof3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2017Patents assigned to NSK LTD (10)· patent assignee history
2003–2005Based in Hiratsuka, JP· patent location history
2006Based in Kanagawa, JP· patent location history
2008–2017Based in Fujisawa, JP· patent location history
2009–2017Based in Saga, JP· patent location history
2011–2017Patents assigned to RICOH CO LTD (3)· patent assignee history
2012–2017Patents assigned to YAMASHITA TOMOFUMI (6)· patent assignee history
2012–2015Patents assigned to HARADA TORU (3)· patent assignee history
2012–2015Patents assigned to HASHIMOTO KOJI (2)· patent assignee history
2014Based in Takeo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NSK LTD102003–2017
YAMASHITA TOMOFUMIself62012–2017
HARADA TORU32012–2015
RICOH CO LTD32011–2017
HASHIMOTO KOJI22012–2015
Locations
LocationPatentsSpan
Fujisawa, JP62008–2017
Saga, JP32009–2017
Kanagawa, JP22006
Hiratsuka, JP22003–2005
Takeo, JP12014