Inventor

Keiji Hayashi

Inventor
Kawasaki, JP

Overview

68→
Patents
1984–2021
Patent span
Physics
Primary field (CPC G)

Patents· 68 as inventor

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

G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein17%
G02BOptical elements, systems or apparatus10%
Y10TTechnical subjects covered by former us classification7%
C09JAdhesives6%
G09GArrangements or circuits for control of indicating devices using static means to present variable information4%
H01JElectric discharge tubes or discharge lamps4%
H04NPictorial communication, e.g. television4%
C10MLubricating compositions4%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions3%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%
PatentTitleYear
11,037,734Mounting structure for capacitor and resistor, input unit, and measuring apparatus202110,301,568Sliding system201910,030,207Sliding machine20189,790,447'Sliding system'20179,365,794'Wet friction clutch—lubricant systems providing high dynamic coefficients of friction through the use of borated detergents'20169,212,597'Coolant composition for internal combustion engine and method for operating internal combustion engine'20159,121,548'Sliding member'20159,089,930'Surface protection sheet for laser material processing'20159,062,274'Low friction sliding member'20158,794,779'Lighting device, display device and television receiver'20148,791,966'Display device and electric apparatus'20148,556,455'Lighting device, display device and television receiver'20138,415,898'Connector, a lamp connector, a lamp connection checking circuit, and an illumination device'20138,417,127'Infrared communications receiver'20138,406,632'Infrared communications receiver'20138,363,056'Content generation system, content generation device, and content generation program'20138,267,536'Power supply unit and display device'20128,263,220'Work subject material, surface protection sheet and method of working'20128,253,681'Light source device, a display device and a television receiver'20128,111,225'Liquid crystal display device having a plurality of subfields'20128,093,816'Cold cathode tube lamp'20128,049,711'Illumination device and liquid crystal display device using the same'20118,045,096'Lighting unit including alternately arrange first and second light sources, backlight unit, liquid crystal display device'20117,976,176'Lighting unit, backlight unit, and liquid crystal display device'20117,843,020'High withstand voltage transistor and manufacturing method thereof, and semiconductor device adopting high withstand voltage transistor'20107,719,502'Liquid crystal display device and television receiver set'20107,556,762'Method of inflation extrusion molding, extrusion molding apparatus therefor, and process for producing pressure-sensitive adhesive sheet'20097,541,723'Backlight having a polarization separating element'20097,494,259'Lighting unit'20097,465,989'High withstand voltage trenched MOS transistor and manufacturing method thereof'20087,309,146'Backlight having discharge tube, reflector and heat conduction member contacting discharge tube'20077,277,079'Illumination device and liquid crystal display device using the same'20077,169,005'Method of producing a backlight having a discharge tube containing mercury'20077,164,224'Backlight having discharge tube, reflector and heat conduction member contacting discharge tube'20077,163,331'Lighting unit and display device'20077,122,946'Light source device having high limit-emitting efficiency'20067,073,933'Light guide plate, light source device equipped therewith and display device'20067,015,632'Light source device, method of producing the same, and display apparatus'20066,882,388'Reflection type liquid crystal display device and manufacturing method thereof'20056,847,424'Liquid-crystal display and a lighting apparatus'20056,844,112'Sheet for protecting paint films of automobiles'20056,819,366'Display device with condenser elements'20046,655,810'Lighting unit'20036,639,642'Display device having diffraction grating'20036,559,910'Display device with condenser elements'20036,552,760'Luminaire with improved light utilization efficiency'20036,513,936'Projector'20036,481,854'Projection type display apparatus having air cooling arrangement'20026,440,802'Process for fabricating semiconductor device and photolithography mask'20026,410,557'Dry skin remedies'20026,395,390'Sheet for protecting paint films of automobiles'20026,379,010'Projection type display'20026,358,600'Sheet for protecting paint film'20026,335,090'Pressure-sensitive adhesive and surface protecting material comprising an isobutylene polymer'20026,135,598'Optical device with light path changing element and projection-type display apparatus'20006,083,613'Sheet for protecting paint film'20006,037,054'Sheet for protecting paint film'20005,959,704'Display device having diffraction grating'19995,938,307'Projection display apparatus using liquid crystal light bulb'19995,838,415'Liquid crystal panel with reduced defects and an image projector using a liquid crystal panel as an optical spatial modulator'19985,764,412'Polarization separation/conversion device for polarized lighting apparatus and projection display unit'19985,601,917'Paint film-protective sheet'19974,922,861'Multiple-purpose instantaneous gas water heater'19904,819,587'Multiple-purpose instantaneous gas water heater'19894,768,705'Cold/hot water discharging apparatus'19884,761,836'Washing device for parts of human body'19884,739,923'Hot/cold water mixing device'19884,467,484'Pneumatic cushion and manufacturing method therefor'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1990Based in Fukuoka, JP· patent location history
1997–2015Patents assigned to NITTO DENKO CORP (10)· patent assignee history
1997–2005Patents assigned to KANSAI PAINT CO LTD (7)· patent assignee history
1997–2014Based in Osaka, JP· patent location history
1998–2010Patents assigned to FUJITSU LTD (13)· patent assignee history
1998–2012Based in Kawasaki, JP· patent location history
2002–2014Patents assigned to SHARP KK (25)· patent assignee history
2011–2013Based in Kameyama, JP· patent location history
2012–2016Patents assigned to HAYASHI KEIJI (17)· patent assignee history
2015–2019Based in Nagoya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHARP KK252002–2014
HAYASHI KEIJIself172012–2016
FUJITSU LTD131998–2010
NITTO DENKO CORP101997–2015
KANSAI PAINT CO LTD71997–2005
Locations
LocationPatentsSpan
Kawasaki, JP271998–2012
Osaka, JP151997–2014
Nagoya, JP62015–2019
Kameyama, JP52011–2013
Fukuoka, JP41988–1990