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Inventor

Ryo Igarashi

Inventor
Tokyo, JP

Overview

39→
Patents
1977–2021
Patent span
LOC
Primary field

Patents· 39 as inventor

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

LOC06primary
LOC0641%
A47CChairs24%
G06KGraphical data reading4%
G06VImage or video recognition or understanding4%
B25JManipulators2%
B31BMaking containers of paper, cardboard or material worked in a manner analogous to paper2%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for2%
B60WConjoint control of vehicle sub-units of different type or different function2%
B62DMotor vehicles2%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers2%
PatentTitleYear
11,104,476Package having a sheet-covered cutout202111,100,338Data recording device202111,019,928Armrest and chair202110,932,575Armrest and chair202110,898,001Armrest and chair2021D0903355Chair2020D0903354Chair202010,766,485Vehicle control device202010,159,350Chair20189,578,968'Chair'20179,022,482'Stretching structure of a tension member for a chair'20158,191,970'Backrest device in a chair'20128,172,332'Chair backrest device'20127,837,272'Chair and the structure for stretching a mesh over an element of the chair'2010D0587915'Chair'2009D0587027'Chair'2009D0575542'Chair'2008D0568057'Chair'2008D0567521'Chair'2008D0567522'Chair'2008D0559574'Chair'2008D0559573'Chair'2008D0559572'Chair'2008D0558997'Chair'2008D0558996'Chair'2008D0558995'Chair'2008D0555924'Chair'2007D0550977'Chair'2007D0550471'Chair'20077,246,859'Chair'20077,243,993'Tilting mechanism for a chair and a chair having the same'20077,097,249'Tilting mechanism for a chair and chair having the same'2006D0514838'Chair'2006D0514345'Chair'2006D0512579'Chair'2005D0512578'Chair'20056,942,300'Structure for mounting a net member to a frame for a seat or backrest of a chair'20055,329,190'Termination circuit'19944,001,612'Linear resistance element for LSI circuitry'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1994Patents assigned to IBM (2)· patent assignee history
1994Based in Moriyama, JP· patent location history
2005–2021Patents assigned to OKAMURA CORP (33)· patent assignee history
2005–2012Based in Tokyo, JP· patent location history
2006–2021Based in Yokohama, JP· patent location history
2012–2015Patents assigned to IGARASHI RYO (3)· patent assignee history
2012Patents assigned to MASUNAGA HIROSHI (2)· patent assignee history
2015–2021Based in Kanagawa, JP· patent location history
2020–2021Patents assigned to TOYOTA MOTOR CO LTD (2)· patent assignee history
2020–2021Based in Susono, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OKAMURA CORP332005–2021
IGARASHI RYOself32012–2015
IBM21977–1994
MASUNAGA HIROSHI22012
TOYOTA MOTOR CO LTD22020–2021
Locations
LocationPatentsSpan
Tokyo, JP232005–2012
Yokohama, JP102006–2021
Kanagawa, JP22015–2021
Susono, JP22020–2021
Moriyama, JP11994