Inventor
Yasuo Yamamoto
Inventor
Minami-ashigara, JP
Overview
Patents· 143 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 therein12%
G03GElectrography9%
Y10TTechnical subjects covered by former us classification7%
C07DHeterocyclic compounds5%
G09GArrangements or circuits for control of indicating devices using static means to present variable information4%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations4%
B41JTypewriters2%
H01FMagnets2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%
PatentTitleYear
10,487,072Substituted imidazoles as melanocortin receptor agonists201910,031,394Electrophoretic particle, electrophoretic particle dispersion liquid, display medium, and display device20189,981,960Pyrrolidine compound and application as melanocortin receptor agonist20189,874,829Dispersant for liquid development, liquid developer, liquid developer cartridge, image forming apparatus, and image forming method20189,671,667'Electrophoretic particle, electrophoretic particle dispersion liquid, display medium, and display device'20179,348,193'Dispersion liquid for electrophoretic display, display medium, and display device'20169,152,005'Particle dispersion for display, display medium, and display device'20158,790,505'Method for manufacturing silver triangular pyramid particles and silver triangular pyramid particles'20148,717,282'White particles for display, particle dispersion for display, display medium and display device'20148,704,754'Electrophoretic driving method and display device'20148,654,070'Electrophoretic particles, electrophoretic particle dispersion, display medium and display device'20148,581,899'Display medium and display device'20138,531,757'Display medium and display element, and display method'20138,526,100'Display method and display device'20138,477,404'Display medium and display device'20138,404,881'White particles for display, particle dispersion for display, display medium and display device'20138,331,015'Display medium and display device'20128,286,923'Holding tool for elongated member'20128,200,536'Image display medium and image forming apparatus'20128,188,073'Benzoxazines and related nitrogen-containing heterobicyclic compounds useful as mineralocorticoid receptor modulating agents'20128,189,288'Rotor hub, spindle motor and hard disk drive'20128,094,365'White particles for display, particle dispersion for display, display medium and display device'20127,998,956'Benzoxazines and related nitrogen-containing heterobicyclic compounds useful as mineralocorticoid receptor modulating agents'20117,965,438'Display method and display device'20117,935,674'Indole derivatives'20117,907,323'Display method, display medium, and display device'20117,864,406'Display device particles, process for producing the same, image-display medium, and image-forming device'20117,855,829'Particles for display, particle dispersion for display, display medium and display device'20107,852,314'Display medium, display device, and display method'20107,781,443'Tetrahydronaphthyridine derivatives and a process for preparing the same'20107,715,086'Display method, and display medium and display device using the method thereof'20107,688,496'Display medium, display device and display method'20107,619,610'Display device and display method'20097,619,041'Resin particles and producing method thereof, toner for developing electrostatic latent image and producing method thereof, electrostatic latent image developer as well as image forming method'20097,616,373'Display device particles, process for producing the same, image-display medium, and image-forming device'20097,609,435'Display medium, display device, and displaying method'20097,580,017'Image display medium and image writing apparatus'20097,563,901'Intermediates of 2-substituted carbapenem derivatives and process for production thereof'20097,524,951'Intermediates of 2-substituted carbapenem derivatives and process for production thereof'20097,480,088'Displaying method, display element and display device'20097,463,400'Electrochromic display device'20087,457,024'Image display device'20087,455,944'Toner for developing electrostatic latent images and manufacturing method thereof, developer for developing electrostatic latent images, image forming method, and method for manufacturing dispersion of resin particles'20087,436,577'Display medium, display device and display method using the display medium'20087,420,020'Resin particles and producing method thereof, toner for developing electrostatic latent image and producing method thereof, electrostatic latent image developer as well as image forming method'20087,378,210'Electrophotographic toner and manufacturing method thereof, polyester resin for electrophotographic toner and manufacturing method thereof, electrophotographic developer and image forming method'20087,325,418'Press forming system for glass'20087,321,460'Particle for display device, method for manufacturing particle for display device, image display medium and image forming apparatus'20087,319,554'Display medium, display device and display method'20087,295,364'Colorant, particles for display device, image display medium and image forming apparatus'20077,288,144'Non-aqueous ink-jet ink composition'2007D0550548'Fixing device'20077,205,709'Image display medium and image formation device'20077,073,227'Bush'20067,066,086'Stencil printer'20067,060,125'Non-aqueous ink composition'20067,023,608'Particle for a display device, image display medium and image forming apparatus'20066,965,467'Particles for display device, image display medium using the same, and image forming device'20056,950,084'Image display medium and image forming apparatus'20056,938,374'Guide system for guiding window glass of vehicle'20056,923,517'Drawer device'20056,908,913'Carbapenem derivatives'20056,888,557'Electroluminescent device with sufficient luminous power and driving method thereof'20056,876,486'Particles for display device, image display medium using the same, and image forming device'20056,857,734'Ink jet printer and method of hardening ink for the printer'20056,852,734'Indole derivatives exhibiting chymase-inhibitory activities and process for preparation thereof'20056,846,073'Ink jet printer and its thick film printing method'20056,841,233'Source sheet for stencil printing, plate manufacturing method, and stencil printing method'20056,836,932'Assist grip'20056,828,955'Image display medium and image formation apparatus'20046,825,187'Carbapenem derivatives of quarternary salt type'20046,808,214'Locking apparatus and storage apparatus for vehicle'20046,809,854'Image display medium and image forming device'20046,675,705'Microporous stencil sheet printing system and method of printing'20046,572,951'Printing sheet'20036,550,380'Method for stencil plate making of stencil sheet for stencil printing'20036,530,318'Stencil printing system using UV-curable ink and having ink supply roll comprised of nonmetallic material'20036,502,506'Stencil printing machine having moistener mechanism'20036,255,339'Tetrahydronaphthofuranone derivatives and process for producing the same'20016,174,432'Hydrotreating catalyst for heavy hydrocarbon oil, process for producing the catalyst, and hydrotreating method using the same'20016,161,592'Heat-resistant hose'20006,124,066'Carrier for electrophotography, an electrostatic latent image developer and an image forming method'20006,076,793'Cup holder used for vehicle'20006,054,241'Image forming method, image forming device, and electrostatic latent image developing agent'20006,044,716'Fluid pressure detector and air flow rate measuring apparatus using same'20006,007,899'Sheet-affixed window glass for a vehicle'19995,932,387'Charged member for electrostatic development and sleeve for electrostatic development'19995,747,206'Electrophotographic photoreceptor'19985,732,998'Drain clip for weather strip and weather strip with a drain clip'1998D0389052'Clamp'19985,698,355'Photosensitive body for electrophotography'19975,665,511'Surface-treated inorganic fine particle and electrophotographic developer using the same'19975,663,365'Process for the preparation of pyrazolones'1997D0381619'Drain clip for weather strip of automobile'19975,637,427'Full color toner for electrostatic charge development, method for producing the toner, and image forming method using the toner'19975,636,760'Container for fluid'19975,635,334'Process for making plasma display apparatus with pixel ridges made of diffusion patterned dielectrics'19975,631,043'Re-inking process'19975,617,787'Process for perforating stencil printing sheet'19975,616,173'Thick film conductor paste for automotive glass'19975,614,935'Ink transfer medium for toner, ink transfer process and re-inking process for the same'19975,534,099'Process for producing heat-sensitive stencil sheet'19965,531,885'Hydroconversion process for heavy hydrocarbon oil'19965,529,871'Color toner and process for producing the same'19965,458,954'Ink transfer medium for toner, ink transfer process and re-inking process for the same'19955,458,915'Process for producing heat-sensitive stencil sheet'19955,429,898'Black toner including a kesinous component for forming an image and imaging process'19955,380,875'Hydroxyproline derivatives and preparative process therefor'19955,379,016'Chip resistor'19955,373,785'Mimeographic transfer printing machine'19945,320,925'Electrophotographic toner composition'19945,306,589'Black toner for color digital copying machine'19945,301,512'Method and apparatus for making snow'19945,296,324'Toner for developing electrostatic charge image and process for preparing the same'19945,283,007'Conductive polymer compositions'19945,250,996'Method for fixing full color toner images'19935,226,222'Fabrication method for transformers with an amorphous core'19935,187,133'Catalyst composition for hydrotreating of hydrocarbons and hydrotreating process using the same'19935,098,999'Amino-protected dopa derivative and production thereof'19925,077,914'Hair drying brush of water absorption type'19925,055,815'Stationary induction electric apparatus'19914,975,232'Process for producing fiber reinforced plastics linear materials'19904,972,573'Method of manufacturing wound transformer cores'19904,970,776'Method of manufacturing a stationary induction electric apparatus'19904,913,842'Steam reforming of methanol'19904,894,735'Disk drive housing structure'19904,859,364'Conductive paste composition'19894,776,819'Electrical control for trim/tilt of dual marine propulsion device'19884,736,263'Method and apparatus for driving a disk'19884,723,809'Glass window for motor vehicles'19884,708,669'Warning device for a watercraft provided with a plurality of marine propulsion engines'19874,646,803'Case for protecting a magnetic core'19874,645,297'Fiber reinforced resin coated optical fiber and process for producing the same'19874,639,707'Transformer with toroidal magnetic core'19874,631,509'Electrical induction apparatus with support inside casing'19864,560,713'Reinforced plastic molding'19854,492,197'Over-revolution preventing apparatus for internal combustion engines'19854,444,060'Fluid pressure sensing apparatus'19844,436,835'Process for preparation of catalysts'19844,305,842'Preparation of improved catalyst composition'19814,278,261'Sealing device'19814,181,101'Two-cycle internal combustion engines with scavenger means'19803,971,735'Methanol production catalyst and process for preparing the same'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–2003Based in Tokyo, JP· patent location history
1985–2019Based in Osaka, JP· patent location history
1992–2014Patents assigned to YAMAMOTO YASUO (15)· patent assignee history
1993–2018Patents assigned to FUJI XEROX CO LTD (59)· patent assignee history
1993–2018Based in Kanagawa, JP· patent location history
1994–2007Patents assigned to RISO KAGAKU CORP (15)· patent assignee history
1994–2014Based in Minami-ashigara, JP· patent location history
1995–2007Based in Ibaraki, JP· patent location history
1997–2012Patents assigned to NIFCO INC (9)· patent assignee history
2012–2014Patents assigned to MORIYAMA HIROAKI (8)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJI XEROX CO LTD | 59 | 1993–2018 |
| RISO KAGAKU CORP | 15 | 1994–2007 |
| YAMAMOTO YASUOself | 15 | 1992–2014 |
| NIFCO INC | 9 | 1997–2012 |
| MORIYAMA HIROAKI | 8 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Minami-ashigara, JP | 35 | 1994–2014 |
| Kanagawa, JP | 30 | 1993–2018 |
| Osaka, JP | 14 | 1985–2019 |
| Tokyo, JP | 12 | 1984–2003 |
| Ibaraki, JP | 8 | 1995–2007 |