Inventor
Kazuhiro Yuasa
Inventor
Zama, JP
Overview
Patents· 54 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography36%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1019%
H01LSemiconductor devices11%
C23CCoating metallic material9%
H04NPictorial communication, e.g. television6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
B05DProcesses for applying fluent materials to surfaces, in general2%
A61BDiagnosis1%
B05CApparatus for applying fluent materials to surfaces, in general1%
C30BSingle-crystal growth1%
PatentTitleYear
10,943,806Substrate processing apparatus, method of manufacturing semiconductor device, and non- transitory computer-readable recording medium202110,381,241Method of manufacturing semiconductor device, substrate processing apparatus, and recording medium201910,290,494Method of manufacturing semiconductor device and method of processing substrate20199,997,354Method of manufacturing semiconductor device, substrate processing apparatus, and recording medium20189,685,317'Method of manufacturing semiconductor device, method of processing substrate, substrate processing apparatus, and recording medium'20179,518,321'Atomic layer deposition processing apparatus to reduce heat energy conduction'20169,437,426'Method of manufacturing semiconductor device'20169,190,264'Method of manufacturing semiconductor device, method of processing substrate and non-transitory computer readable recording medium'20159,055,900'Specimen measurement device and specimen measurement system'20158,901,013'Substrate processing apparatus, method of processing substrate and method of manufacturing semiconductor device'20148,822,350'Method of manufacturing semiconductor device, substrate processing method and substrate processing apparatus'20148,448,599'Device for processing a substrate, method of processing a substrate and method of manufacturing semiconductor device'20138,084,369'Producing method of semiconductor device and substrate processing apparatus'20118,003,411'Device for processing a substrate, method of processing a substrate and method of manufacturing semiconductor device'20117,871,938'Producing method of semiconductor device and substrate processing apparatus'20117,713,883'Manufacturing method of a semiconductor device, and substrate processing apparatus'20107,682,987'Device for processing substrate and method of manufacturing semiconductor device'20107,534,730'Producing method of semiconductor device and substrate processing apparatus'20096,033,818'Developing device for an image forming apparatus'20005,897,243'Electrophotographic recording apparatus configured to switch a bias voltage in a developing unit'19995,879,752'Method of coating a toner conveyor roller'19995,845,183'Developing device for an image forming apparatus'19985,826,144'Developing device for an electrophotographic recording apparatus including bias control of a toner supplying roller'19985,768,665'Image forming apparatus with bias control to prevent undesirable toner deposition'19985,708,942'Developing device for an image forming apparatus'19985,697,026'Developing device having the lengths of two toner transporting rollers and an image bearing member in specific relationships'19975,689,782'Developing apparatus for electronic photographic recording equipment, having two developer transfer rollers'19975,666,625'Device for electrostatically developing a latent image on an image carrier'1997RE035528'Image recording apparatus having a toner supply tank and a toner recovery tank configured into a unitary, disposable magazine'19975,625,440'Developing device having seals between a toner transport roller and the toner hopper which prevent toner leakage and scattering'19975,625,438'Toner, and devices for electrostatically depositing a uniform application thereof'19975,625,441'Developing device for an image forming apparatus'19975,617,191'Toner conveyor roller and image forming apparatus having the same'19975,610,693'Developing device for an image forming apparatus'19975,552,870'Developing device for an image forming apparatus'19965,489,747'Developing device for an image forming apparatus'19965,486,909'Developing device for an image forming apparatus'19965,386,301'Apparatus for producing a bilevel image suitable for a printing characteristic of a printing unit'19955,255,061'Image forming apparatus with a first and second lid'19935,126,799'Image recording apparatus having a toner supply tank and a toner recovery tank configured into a unitary, disposable magazine'19925,111,251'Apparatus for cleaning photoconductive belt'19924,757,332'Optically imaged recording apparatus'19884,641,955'Ion projection recording apparatus'19874,637,708'One-component copier toner with electric field transfer'19874,636,815'Electrostatic recording apparatus'19874,621,274'Method of cleaning the record head of electrostatic image recording system of transfer type'19864,586,807'Transfer-type electrostatic recording method'19864,567,495'Record head cleaning device for image recording apparatus'19864,539,600'Image signal processing with a variable threshold'19854,537,491'Development apparatus for developing latent electrostatic images'19854,496,987'Conversion of an analog image signal into a binary image signal'19854,483,611'Magnetic cleaning device'19844,456,365'Charging device'19844,447,821'Method and apparatus of electrostatic recording'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–2000Patents assigned to RICOH KK (36)· patent assignee history
1984–2000Based in Zama, JP· patent location history
2009–2019Based in Takaoka, JP· patent location history
2010–2019Patents assigned to HITACHI INT ELECTRIC INC (14)· patent assignee history
2011–2015Patents assigned to YUASA KAZUHIRO (6)· patent assignee history
2013–2014Patents assigned to MEGAWA YASUHIRO (2)· patent assignee history
2015–2021Based in Toyama, JP· patent location history
2015Based in Kyoto, JP· patent location history
2019–2021Patents assigned to KOKUSAI ELECTRIC CORP (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 36 | 1984–2000 |
| HITACHI INT ELECTRIC INC | 14 | 2010–2019 |
| YUASA KAZUHIROself | 6 | 2011–2015 |
| KOKUSAI ELECTRIC CORP | 3 | 2019–2021 |
| MEGAWA YASUHIRO | 2 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Zama, JP | 36 | 1984–2000 |
| Takaoka, JP | 10 | 2009–2019 |
| Toyama, JP | 7 | 2015–2021 |
| Kyoto, JP | 1 | 2015 |