Inventor

Kenichi Wada

Inventor

Sakai, JP

Overview

1976–2015

Patent span

Physics

Primary field (CPC G)

Patents· 91 as inventor

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

G03Gprimary

G03GElectrography21%

G06FElectric digital data processing17%

G06KGraphical data reading5%

B41JTypewriters4%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

H04NPictorial communication, e.g. television4%

G09GArrangements or circuits for control of indicating devices using static means to present variable information3%

A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing2%

C01GCompounds containing metals not covered by subclasses c01d or c01f2%

PatentTitleYear

9,079,468'Axle support structures for industrial vehicles'2015 9,074,633'Bearing'2015 9,045,002'Axle support structures for industrial vehicles'2015 7,241,348'Flux for solder paste and solder paste'2007 6,935,413'Heat exchanger'2005 6,628,318'Method for driving an optical write device'2003 6,470,703'Subcooling-type condenser'2002 6,469,727'Optical quantity measuring method and optical quantity measuring apparatus using same'2002 6,421,582'Print system and a sheet-processing device suitable for such a print system'2002 6,360,415'Flanged pipe unit and method of producing same'2002 6,278,474'Image forming apparatus provided with a plurality of light signal emitting heads'2001 6,201,559'Method for measuring the quantity of light emergent from an optical tip array and image forming apparatus provided with an optical tip array'2001 6,177,966'Image display having control system for periodically effecting a change of position of virtual image'2001 6,163,203'Voltage applying apparatus facilitating adjustment of a driving voltage for a light signal emitter'2000 6,124,965'Optical element and light shutter device using the same'2000 6,084,657'Optical shutter device'2000 6,016,843'Flanged pipe unit and method of producing same'2000 5,966,557'Image stabilizing control method offering a short waiting time for operation recovery and image forming apparatus incorporating said control method'1999 5,923,355'Optical writing device'1999 5,914,728'Motion image display apparatus'1999 5,872,587'Light signal generating device with reduced light leakage'1999 5,485,169'Antenna orienting apparatus for vehicles'1996 D0348884'Combined speaker box and screen for a television projector'1994 5,325,228'Optical shutter device'1994 5,293,203'Image forming apparatus having a movable sheet receiving tray'1994 D0343396'Combined speaker box and screen'1994 D0342521'Combined speaker box and screen'1993 D0342499'Television receiver'1993 D0342500'Television receiver'1993 5,247,387'Method and device for driving electro-optical light shutter'1993 5,214,759'Multiprocessors including means for communicating with each other through shared memory'1993 5,206,684'Recording apparatus including a memory into which information is written in a particular order and from which memory information is read in the reverse order'1993 5,201,040'Multiprocessor system having subsystems which are loosely coupled through a random access storage and which each include a tightly coupled multiprocessor'1993 5,166,510'Light printer with photoelectric light quantity control means'1992 5,150,905'Rubber composition and golf ball comprising it'1992 5,141,233'Rubber composition and golf ball comprising it'1992 5,103,267'Image forming system for performing simplex and duplex recording'1992 5,093,676'Method of driving electro-optical light shutter for use in recording apparatus'1992 5,075,724'System for recognizing interchangeable articles'1991 5,032,980'Information processing system with instruction address saving function corresponding to priority levels of interruption information'1991 4,955,966'Rubber composition and golf ball comprising it'1990 4,954,947'Instruction processor for processing branch instruction at high speed'1990 4,924,377'Pipelined instruction processor capable of reading dependent operands in parallel'1990 4,916,606'Pipelined parallel data processing apparatus for directly transferring operand data between preceding and succeeding instructions'1990 4,913,575'Printing machine'1990 4,827,402'Branch advanced control apparatus for advanced control of a branch instruction in a data processing system'1989 4,792,947'Method of multi-address communication'1988 4,758,949'Information processing apparatus'1988 4,745,569'Decimal multiplier device and method therefor'1988 4,739,470'Data processing system'1988 4,692,891'Coded decimal non-restoring divider'1987 4,655,967'Electrically conductive titanate derivative and process for preparing the same'1987 4,647,404'Process for preparing a metamorphosed metal oxide'1987 4,639,886'Arithmetic system having pipeline structure arithmetic means'1987 4,618,926'Buffer storage control system'1986 4,609,694'Process for preparing metamorphosed alkaline titanates'1986 4,608,671'Buffer storage including a swapping circuit'1986 4,573,789'Duplex copying system'1986 4,568,169'Both surface recording system'1986 4,541,047'Pipelined data processing system'1985 4,532,589'Digital data processor with two operation units'1985 4,514,480'Method of controlling toner concentration for electrophotographic copying apparatus'1985 4,488,221'Data processing system'1984 4,453,819'Both surface recording apparatus for copying machine'1984 4,435,065'Electrographic developing apparatus with toner flow director'1984 4,409,654'Data processor adapted for interruption to an instruction stream'1983 4,408,275'Data processing system with data cross-block-detection feature'1983 4,396,275'Toner image transfer type electrographic copying machine'1983 4,396,982'Microinstruction controlled data processing system including microinstructions with data align control feature'1983 4,385,365'Data shunting and recovering device'1983 4,349,270'Developer removing device for copying apparatus'1982 4,338,880'Magnetic brush development apparatus for use in electrophotographic copying machine'1982 4,334,497'Magnetic brush developing apparatus'1982 4,328,762'Magnetic brush developing apparatus'1982 4,318,172'Store data buffer control system'1982 4,317,170'Microinstruction controlled data processing system including micro-instructions with data align control feature'1982 4,284,702'Electrographic developing method'1981 4,277,165'Photocopying machine equipped with variable magnification arrangement'1981 4,269,920'Dry process developing material for electrophotography'1981 4,267,245'Method of removing foreign materials from magnetic developers'1981 4,235,194'Dry process developing apparatus for use in electrophotographic copying machine'1980 4,197,578'Microprogram controlled data processing system'1980 4,174,904'Electrophotographic copying apparatus for copying thick and thin originals'1979 4,116,556'Electrophotographic copying apparatus'1978 4,038,026'Electrophotographic fusing apparatus'1977 4,008,954'Device for extinguishing unnecessary electrostatic charge in electrophotographic copier'1977 4,001,545'Devices for controlling the heating of fuser roll apparatus'1977 3,998,584'Electrophotographic fusing apparatus'1976 3,985,436'Electrophotographic copying apparatus'1976 3,981,575'Photocopier illumination device'1976 3,960,446'Electrostatic copying apparatus'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1994Patents assigned to MINOLTA CAMERA KK (33)· patent assignee history

1976–1985Based in Sakai, JP· patent location history

1980–1999Patents assigned to HITACHI LTD (26)· patent assignee history

1982–1990Based in Zama, JP· patent location history

1984–1994Based in Osaka, JP· patent location history

1986–1992Patents assigned to OTSUKA CHEMICAL CO LTD (5)· patent assignee history

1987–1999Based in Sagamihara, JP· patent location history

1992–2003Based in Takatsuki, JP· patent location history

1993–1994Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (5)· patent assignee history

1999–2003Patents assigned to MINOLTA CO LTD (12)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MINOLTA CAMERA KK	33	1976–1994
HITACHI LTD	26	1980–1999
MINOLTA CO LTD	12	1999–2003
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	5	1993–1994
OTSUKA CHEMICAL CO LTD	5	1986–1992

Locations

Location	Patents	Span
Sakai, JP	21	1976–1985
Takatsuki, JP	14	1992–2003
Osaka, JP	14	1984–1994
Zama, JP	14	1982–1990
Sagamihara, JP	11	1987–1999