Inventor

Akira Nagashima

Inventor

Kawasaki, JP

Overview

1976–2017

Patent span

Performing operations

Primary field (CPC B)

Patents· 176 as inventor

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

B27Bprimary

B27BSaws for wood or similar material11%

C09DCoating compositions, e.g. paints, varnishes or lacquers9%

F02BInternal-combustion piston engines8%

Y10TTechnical subjects covered by former us classification6%

B41JTypewriters5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices5%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof4%

B41MPrinting, duplicating, marking, or copying processes3%

F16DCouplings for transmitting rotation2%

PatentTitleYear

9,731,083'Valved syringe receptacle'2017 8,396,060'Network control system'2013 8,321,493'Field device and system employing the same'2012 8,308,198'Water-based fluorescent ink, recorded image using the same, and judging method'2012 8,252,393'Surface-modified inorganic pigment, colored surface-modified inorganic pigment, recording medium and production processes thereof, and image forming method and recorded image'2012 8,163,360'Pigment dispersion and inkjet recording medium using the same'2012 7,740,697'Aqueous ink, ink cartridge using the same, inkjet printing method and recorded matter'2010 7,698,039'Mobile communication system'2010 7,669,104'Forward error correction method and communication method, and forward error correction code addition apparatus and communication apparatus'2010 7,485,409'Planographic printing plate precursor'2009 7,473,437'Method of forming fluorescent image, fluorescent image, and ink-jet recording method'2009 7,464,965'Water-based fluorescent ink, recorded image using the same, and judging method'2008 7,455,400'Aqueous fluorescent ink, image recording method and recorded image'2008 7,442,715'Thiazole derivatives'2008 7,429,291'Print ink containing a plurality of fluorescent coloring materials and inkjet recording method'2008 7,364,770'Coated fine particles and method for producing coated fine particles by reverse Diels-Alder reaction'2008 7,303,620'Water-based ink, and image formation method and recorded image using the ink'2007 7,267,716'Aqueous ink, image recorded using said aqueous ink and method for forming said image'2007 7,220,301'Ink, ink-jet recording process, recorded article, recording unit, ink cartridge, ink-jet recording apparatus fluorescence enhancing method and method of elongating life time of fluorescence'2007 7,195,340'Ink-jet recording method and ink-jet ink'2007 7,185,978'Recording method, ink cartridge, printing device and information recording apparatus'2007 7,144,105'Ink, ink-jet recording process, recorded article, recording unit, ink cartridge, ink-jet recording apparatus, fluorescence enhancing method and method of elongating life time of fluorescence'2006 7,144,449'Print ink containing a plurality of fluorescent coloring materials and inkjet recording method'2006 7,141,105'Water-based fluorescent ink, recorded image using the same, and judging method'2006 7,125,111'Ink and ink jet recording method using the ink'2006 7,125,901'Thiazole derivatives'2006 7,060,123'Fluorescent ink, and ink cartridge recording unit, ink-jet recording method, and ink-jet recording apparatus employing the fluorescent ink'2006 6,918,451'Brake band and portable trimmer'2005 6,835,239'Fluorescent ink, and ink cartridge, recording unit, ink-jet recording method, and ink-jet recording apparatus employing the fluorescent ink'2004 6,773,375'Portable trimmer'2004 6,746,812'Photosensitive resin composition'2004 6,676,254'Recording method, ink cartridge, printing device and information recording apparatus'2004 6,676,734'Ink, ink-jet recording process, recorded article, recording unit, ink cartridge, ink-jet recording apparatus, fluorescence enhancing method and method of elongating life time of fluorescence'2004 6,517,987'Positive-working presensitized plate useful for preparing a lithographic printing plate'2003 6,447,093'Liquid discharge head having a plurality of liquid flow channels with check valves'2002 6,400,999'Production system and manufacturing equipment selecting method on production system'2002 6,263,579'Hand-held power working machine'2001 6,250,882'Portable working machine provided with a centrifugal air blower'2001 6,237,845'Paper container and method for manufacturing the same'2001 6,182,524'Hand lever apparatus'2001 6,167,973'Trimming machine having braking device for cutting blade'2001 6,125,547'Hand-lever device for trimmer'2000 6,108,867'Handling device for power working machine'2000 6,070,970'Liquid discharging method and liquid-discharge head, ink-jet recording method and head for ink-jet recording method'2000 6,069,156'Indole derivatives as cGMP-PDE inhibitors'2000 6,065,214'Portable trimmer'2000 6,055,797'Portable power machine having safety mechanism'2000 6,056,668'Power machine having safety mechanism'2000 6,032,370'Portable trimmer'2000 6,021,757'Handling device for a power working machine'2000 6,018,939'Hand-held power working machine'2000 6,006,625'Hand lever device'1999 5,992,375'Four-stroke cycle internal combustion engine'1999 5,987,753'Hand-held power working machine'1999 5,984,466'Ink jet recording method for producing printed images having water-fastness'1999 5,947,866'Braking device for power working machine'1999 5,936,649'Recording method, recording apparatus for conducting the recording method and ink jet cartridge for use in the recording apparatus'1999 5,916,331'Hand lever device'1999 5,889,918'Method and apparatus for recording digital picture image signals for multiple speed reproduction'1999 5,865,155'Hand lever device'1999 5,865,883'Ink, ink cartridge and recording unit, ink-jet recording method and ink-jet recording apparatus'1999 5,733,363'Dye, ink containing the same, and ink-jet recording method and instrument using the ink'1998 5,615,538'Strapping machine'1997 5,571,313'Ink-jet ink'1996 5,560,187'Strapping machine'1996 5,537,673'Car stereo having a removable panel'1996 5,513,482'Strapping machine'1996 5,482,545'Ink, and ink-jet recording method and instrument using the same'1996 5,478,383'Ink, and ink-jet recording method and instrument using the same'1995 5,476,064'Pull method for growth of single crystal using density detector and apparatus therefor'1995 5,460,917'Positive working photosensitive lithographic printing plate utilizing phenol derivative compound containing photosensitive composition'1995 5,451,251'Ink, and ink-jet recording method and instrument using the same'1995 5,444,761'On-vehicle mobile radio telephone with an answering function'1995 5,409,529'Ink, and ink-jet recording method and instrument using the same'1995 5,370,504'Ambulant reciprocating compressor having plural pressure collection chambers'1994 5,340,683'Presensitized plate having surface-grained and anodized aluminum substrate with light-sensitive layer containing quinone diazide sulfonic acid ester of particular polyhydroxy compound'1994 5,296,022'Ink-jet recording method and apparatus employing ink containing halogenated alkanol with 2 to 4 carbon atoms'1994 5,258,066'Ink containing halogenated alkanol with 2 to 4 carbon atoms, recording method and apparatus using the same'1993 5,254,430'Presensitized plate having anodized aluminum substrate, hydrophilic layer containing phosphonic or phosphinic compound and photosensitive layer containing O-quinone diazide compound'1993 5,236,314'Oil pump device for a chain saw'1993 5,235,710'Bed'1993 5,218,643'Audio system for vehicle'1993 5,213,613'Ink, and ink-jet recording method and instrument using the same'1993 5,210,467'Illumination control circuit using a photoreceptor built-in a remote control device'1993 5,182,579'Ink-jet having ink storing absorbant material'1993 5,179,785'Chain saw guide plate'1993 5,159,579'Apparatus for encoding fishfinder image information and transmission method'1992 5,141,838'Photosensitive composition'1992 5,131,949'Ink, ink-jet recording process, and instrument making use of the ink'1992 5,132,700'Ink-jet recording process and apparatus employing-ink for ink-jet recording'1992 5,107,244'Burglarproof device for electronic equipment adapted to be mounted in vehicles'1992 D0325155'Power chainsaw motor housing'1992 5,080,716'Ink having use in ink-jet recording'1992 5,078,790'Ink, ink-jet recording process, and instrument making use of the ink'1992 5,062,875'Air cleaner'1991 5,029,393'Chain saw'1991 5,014,835'Power work-machine'1991 4,993,865'Flywheel mounting device for internal combustion engine'1991 H0000885'Bearing device for a crankshaft'1991 4,979,306'Power working machine'1990 4,968,584'Method for making lithographic printing plate'1990 4,949,981'Oil seal'1990 4,936,271'Portable powered working machine'1990 4,909,201'Recoil starter'1990 4,905,424'Rotary tool cover'1990 H0000749'Oil seal'1990 4,901,760'Reed valve means'1990 4,901,691'Device for mounting internal combustion engine on working machine'1990 4,898,803'Light-sensitive o-quinone diazide composition with acidic polyurethane resin'1990 4,896,426'Vibration-isolating attachment means for handle of chain-saw'1990 RE033103'Strainer'1989 4,866,921'Mowing apparatus'1989 4,847,999'Chain saw'1989 4,843,718'Automatic sharpener for chain saw'1989 4,835,868'Saw chain tensioner of chain saw'1989 4,835,866'Device for mounting carburetor on internal combustion engine'1989 4,830,212'Working machine'1989 4,819,589'Suction system for internal combustion engine'1989 4,813,139'Chain saw'1989 4,809,438'Rotary cutter and support'1989 4,793,064'Chain saw safety braking device'1988 4,793,303'Elbow for carburettor'1988 4,788,951'Means for mounting carburetor on working machine with internal combustion engine'1988 4,787,924'Air cleaner'1988 4,785,539'Chain saw handle'1988 4,783,207'Air cleaner'1988 4,773,365'Chain saw'1988 4,771,603'Chain saw'1988 4,770,039'Device for indicating level of liquid contents remaining in tank'1988 4,770,130'Chain saw'1988 4,765,282'Chain saw'1988 4,765,933'Carburetor'1988 4,764,093'Oil pump for chain saw'1988 4,756,396'Centrifugal clutch'1988 4,747,573'Inner mold for molding cylinder'1988 D0295713'Power chainsaw motor housing'1988 4,732,121'Recoil starter'1988 4,721,193'Emergency braking system of chain saw'1988 4,717,477'Swingable filter'1988 4,715,845'Sprocket wheel for driving saw chain of chain saw'1987 4,702,139'Chain with cutting teeth'1987 4,701,399'Photosensitive composition with 2-halomethyl-5-substituted-1,3,4-oxadiazole'1987 4,682,830'Switch terminal'1987 4,683,576'Optical pumping laser system'1987 4,681,608'Silencing filter'1987 4,681,188'Intake silencer'1987 H0000294'Saw chain guide device for chain saw'1987 4,654,970'Heated handle for a chain saw'1987 4,630,372'Front handle support means of portable chain saw'1986 4,615,398'Throttle cushion'1986 4,602,656'Receptacle for use in a portable power driven machine'1986 4,586,588'Chain saw safety-brake system'1986 4,571,833'Sawdust discharge port'1986 4,552,105'Fuel pipe joint'1985 4,548,169'Carburetor chamber'1985 4,543,915'Cooling fan for recoil starter type engine'1985 4,535,910'Tank cap for powered machine'1985 4,536,464'Photosensitive composition with o-quinonediazide compound and condensate of dihydric phenol and aldehyde or ketone'1985 4,534,005'Chain saw'1985 4,493,884'Light-sensitive composition'1985 4,493,400'Emergency braking device for chain saw'1985 4,483,072'Machine with liquid crystal display'1984 4,478,239'Fuel tank lid'1984 4,478,200'Electronic ignition system for internal combustion engine capable of supplying electric power to auxiliary unit'1984 4,428,835'Strainer'1984 4,399,210'Photosensitive compositions'1983 4,382,333'Chain saw'1983 4,336,319'Light-solubilizable composition'1982 4,279,982'Photosensitive compositions'1981 4,271,251'Photosensitive compositions'1981 4,258,123'Photosensitive resin composition'1981 4,232,106'Photosensitive compositions containing 2-halomethyl-5-vinyl-1,3,4-oxadiazoles as free radical progenitors'1980 4,219,932'Chain sawing machine'1980 4,202,096'Portable chain saw'1980 4,156,477'Braking system of chain saw'1979 3,945,119'Vibration isolation device for handles of chain saw'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2005Patents assigned to KIORITZ CORP (95)· patent assignee history

1979–2005Based in Kawasaki, JP· patent location history

1980–2004Patents assigned to FUJI PHOTO FILM CO LTD (17)· patent assignee history

1980–2009Based in Shizuoka, JP· patent location history

1984–2013Patents assigned to NAGASHIMA AKIRA (6)· patent assignee history

1991–2017Based in Tokyo, JP· patent location history

1992–2012Patents assigned to CANON KK (41)· patent assignee history

1992–1996Patents assigned to PIONEER ELECTRONIC CORP (5)· patent assignee history

1993–1999Based in Saitama, JP· patent location history

1999–2001Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KIORITZ CORP	95	1976–2005
CANON KK	41	1992–2012
FUJI PHOTO FILM CO LTD	17	1980–2004
NAGASHIMA AKIRAself	6	1984–2013
PIONEER ELECTRONIC CORP	5	1992–1996

Locations

Location	Patents	Span
Kawasaki, JP	79	1979–2005
Tokyo, JP	51	1991–2017
Shizuoka, JP	18	1980–2009
Kanagawa, JP	11	1999–2001
Saitama, JP	4	1993–1999