Inventor

Yutaka Kakehi

Inventor

Hikari, JP

Overview

1983–2018

Patent span

Electricity

Primary field (CPC H)

Patents· 29 as inventor

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

G03Gprimary

G03GElectrography19%

H01JElectric discharge tubes or discharge lamps15%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1015%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

C23CCoating metallic material8%

Y10TTechnical subjects covered by former us classification8%

C23FNon-mechanical removal of metallic material from surface7%

B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles5%

B60GVehicle suspension arrangements3%

G05DSystems for controlling or regulating non-electric variables3%

PatentTitleYear

9,904,214'Image forming apparatus having transfer belt configured to avoid image defects'2018 9,804,535'Image forming apparatus'2017 9,658,577'Image forming apparatus having transfer belt rollers of specific shapes'2017 9,348,266'Image forming apparatus using press member to prevent deflection of belt'2016 9,229,374'Image forming apparatus'2016 8,923,718'Image forming apparatus which performs cleaning of a transfer material conveyance member'2014 8,666,284'Image forming apparatus'2014 8,660,446'Image forming apparatus'2014 8,626,014'Image forming apparatus'2014 8,494,432'Image forming apparatus for transferring a toner image'2013 7,668,492'Image forming apparatus featuring a rotatable image carrying belt and a belt rotation control unit for minimizing curling of the belt'2010 6,329,298'Apparatus for treating samples'2001 5,770,100'Method of treating samples'1998 5,646,489'Plasma generator with mode restricting means'1997 5,556,714'Method of treating samples'1996 5,433,789'Methods and apparatus for generating plasma, and semiconductor processing methods using mode restricted microwaves'1995 5,380,397'Method of treating samples'1995 5,276,386'Microwave plasma generating method and apparatus'1994 4,971,651'Microwave plasma processing method and apparatus'1990 4,943,361'Plasma treating method and apparatus therefor'1990 4,824,309'Vacuum processing unit and apparatus'1989 4,795,529'Plasma treating method and apparatus therefor'1989 4,718,681'Sample chucking apparatus'1988 4,664,578'Semiconductor substrate transport system'1987 4,631,106'Plasma processor'1986 4,565,601'Method and apparatus for controlling sample temperature'1986 4,440,093'Vehicle tilt control apparatus'1984 4,402,527'Vehicle body vibration control apparatus'1983 4,382,413'Earthquake resistant crane'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–2001Patents assigned to HITACHI LTD (17)· patent assignee history

1983–1984Based in Kudamatsu, JP· patent location history

1986–2001Based in Hikari, JP· patent location history

2010–2018Patents assigned to CANON KK (11)· patent assignee history

2010–2018Based in Kashiwa, JP· patent location history

2013–2014Patents assigned to KAKEHI YUTAKA (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	17	1983–2001
CANON KK	11	2010–2018
KAKEHI YUTAKAself	3	2013–2014

Locations

Location	Patents	Span
Hikari, JP	15	1986–2001
Kashiwa, JP	11	2010–2018
Kudamatsu, JP	3	1983–1984