Inventor

Yutaka Sakai

Inventor

Omiya, JP

Overview

26→

Patents

1976–2021

Patent span

Physics

Primary field (CPC G)

Patents· 26 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus22%

H04LTransmission of digital information, e.g. telegraphic communication11%

G06FElectric digital data processing9%

G05BControl or regulating systems in general7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

F02DControlling combustion engines4%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations2%

B07CPostal sorting2%

B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling2%

B41MPrinting, duplicating, marking, or copying processes2%

PatentTitleYear

10,908,075Fluorescent spectrum correcting method and fluorescent spectrum measuring device2021 10,317,869PLC maintenance support device and PLC maintenance support program2019 10,175,920Information processing apparatus, information processing system, information processing method, and non-transitory computer readable medium2019 9,960,886Noise detection device2018 9,614,830'Relay apparatus, system, relay method, and computer readable medium'2017 9,513,862'Detachable machine control panel with display'2016 9,377,889'Resistance film type touch panel and touch panel apparatus'2016 7,428,686'Error detection/correction system, and controller using this system'2008 6,598,224'Data management unit, computer system and computer-readable storage medium'2003 6,576,439'IKK3 kinase'2003 6,574,528'Card assembly apparatus, card inspecting apparatus and card magazine used therefor'2003 6,231,478'Method and system for controlling engine idle revolution number'2001 6,109,238'Idling-engine-speed control method and controller therefor'2000 5,652,079'Carrier for dry two-component developer and method of producing the same'1997 5,565,854'MMC unit'1996 5,409,884'Thermal image transfer recording medium'1995 4,614,409'Finder optical system'1986 4,484,799'Wide angle zoom lens'1984 4,358,190'Focussing apparatus having blurring indicator'1982 4,298,252'Rear stop type lens system'1981 4,294,521'Rear stop type zoom lens'1981 4,195,912'Zoom lens system'1980 4,158,482'Inverted telephoto type super-wide angle lens'1979 4,018,512'Retrofocus type lens'1977 3,961,845'Zoom lens system'1976 3,958,865'Retrofocus type lens system'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1986Patents assigned to FUJI PHOTO OPTICAL CO LTD (10)· patent assignee history

1976–1984Based in Omiya, JP· patent location history

1996–2008Patents assigned to FANUC LTD (2)· patent assignee history

1996–2018Based in Minamitsuru-gun, JP· patent location history

2000–2001Patents assigned to MITSUBISHI ELECTRIC CORP (2)· patent assignee history

2000–2003Based in Tokyo, JP· patent location history

2008–2019Based in Yamanashi, JP· patent location history

2016–2019Patents assigned to FANUC CORP (3)· patent assignee history

2017–2019Patents assigned to FUJI XEROX CO LTD (2)· patent assignee history

2017–2021Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJI PHOTO OPTICAL CO LTD	10	1976–1986
FANUC CORP	3	2016–2019
FANUC LTD	2	1996–2008
FUJI XEROX CO LTD	2	2017–2019
MITSUBISHI ELECTRIC CORP	2	2000–2001

Locations

Location	Patents	Span
Omiya, JP	8	1976–1984
Tokyo, JP	4	2000–2003
Kanagawa, JP	3	2017–2021
Yamanashi, JP	3	2008–2019
Minamitsuru-gun, JP	2	1996–2018