Inventor

Hisao Nagata

Inventor

Osaka, JP

Overview

13→

Patents

1988–2017

Patent span

Performing operations

Primary field (CPC B)

Patents· 13 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus21%

B62DMotor vehicles16%

B66FHoisting, lifting, hauling or pushing, not otherwise provided for, e.g. devices which apply a lifting or pushing force directly to the surface of a load11%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation11%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution11%

C03CChemical composition of glasses, glazes or vitreous enamels5%

C23CCoating metallic material5%

F01PCooling of machines or engines in general5%

F04DNon-positive-displacement pumps5%

F15BSystems acting by means of fluids in general5%

PatentTitleYear

9,664,851'Optical assembly'2017 9,366,831'Optical assembly'2016 7,333,693'Optical tap module'2008 6,816,646'Light-sensitive detector and optical demultiplexer'2004 6,815,792'Epitaxially grown compound semiconductor film and compound semiconductor multi-layer structure'2004 6,695,567'Hydraulic device for industrial vehicles'2004 6,507,084'Semiconductor light-receiving element'2003 5,418,395'Semiconductor light emitting device'1995 D0353931'Fork lift truck'1994 5,329,766'Hydraulic power steering system with input detection capability'1994 5,279,868'Method of preparing ultrafine particle dispersion material'1994 5,277,268'Three-wheel battery fork-lift truck'1994 4,774,911'Cooling fan shroud mounted on an engine vehicle'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2004Patents assigned to TOYODA AUTOMATIC LOOM WORKS (3)· patent assignee history

1988–2004Based in Kariya, JP· patent location history

1994–2008Patents assigned to NIPPON SHEET GLASS CO LTD (6)· patent assignee history

1994Patents assigned to EATON CORP (1)· patent assignee history

1994Patents assigned to KK TOYODA JIDOSHOKKI SEISAKUSHO (1)· patent assignee history

1994–2004Based in Osaka, JP· patent location history

1994Based in Ohbu, JP· patent location history

2008Based in Tokyo, JP· patent location history

2016–2017Patents assigned to GO FOTON HOLDINGS INC (2)· patent assignee history

2016–2017Based in Tsukuba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON SHEET GLASS CO LTD	6	1994–2008
TOYODA AUTOMATIC LOOM WORKS	3	1988–2004
GO FOTON HOLDINGS INC	2	2016–2017
EATON CORP	1	1994
KK TOYODA JIDOSHOKKI SEISAKUSHO	1	1994

Locations

Location	Patents	Span
Osaka, JP	5	1994–2004
Kariya, JP	4	1988–2004
Tsukuba, JP	2	2016–2017
Tokyo, JP	1	2008
Ohbu, JP	1	1994