Inventor
Yutaka Nakayama
Inventor
Kyoto, JP
Overview
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds9%
G01NInvestigating or analysing materials by determining their chemical or physical properties9%
G03GElectrography9%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations7%
C08LCompositions of macromolecular compounds7%
H05KPrinted circuits7%
A61KPreparations for medical, dental or toiletry purposes6%
H01LSemiconductor devices6%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids4%
H01BCables4%
PatentTitleYear
10,381,472Nitride-semiconductor field-effect transistor20199,461,188'Electro-conductive paste for forming an electrode of a solar cell device, a solar cell device and method for producing the solar cell device'20169,141,073'Waste-developer collecting device and image forming apparatus including the waste-developer collecting device'20158,852,465'Electro-conductive paste for forming an electrode of a solar cell device, a solar cell device and method for producing the solar cell device'20148,604,350'Multilayer wiring substrate and manufacturing method of multilayer wiring substrate'20138,563,872'Wiring board, wiring board manufacturing method, and via paste'20138,396,382'Image forming apparatus including a blower member and a heating device'20138,385,767'Image forming apparatus including a transfer belt unit, image forming units, a support member, an air flow path forming member, and an exhausting unit'20138,180,233'Cooling device for cooling the inside of an image forming apparatus by a fan and image forming apparatus having the cooling device'20127,795,267'Bicyclic piperazine compound having TGR23 antagonistic activity'20107,767,665'1,3-benzothiazinone derivatives and use thereof'20107,659,267'1,3-Benzothiazinone derivatives, process for producing the same use thereof'20107,399,759'1, 3-benzothiazinone derivatives and use thereof'20086,308,024'Dust protector for image exposure device and image forming apparatus utilizing the same'20016,265,586'Process for producing indolmycins'20016,028,121'Pre-expanded polyethylene beads and process for producing the same thereof'20005,654,369'Antistatic thermoplastic resin composition'19975,541,242'Thermoplastic resin with (meth)acrylamide or aminoalkyl (meth)acrylate copolymer'19965,332,780'Compositions containing allylformamide copolymers'19944,867,765'Self-discharge type pulse charging electrostatic precipitator'19894,792,387'Air-fuel ratio detecting device'19884,785,150'Plate-like alumina heater'19884,733,029'Operating handle locking device for circuit interrupter'19884,733,102'Phase angle regulated rectifier and pulse producing system'19884,629,549'Oxygen sensor'19864,624,770'Air-fuel ratio sensor'19864,498,968'Oxygen sensor'19854,450,065'Oxygen sensor'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1988Patents assigned to NGK SPARK PLUG CO (6)· patent assignee history
1984–1988Based in Nagoya, JP· patent location history
1988–1989Based in Kobe, JP· patent location history
1994–1997Patents assigned to DAI ICHI KOGYO SEIYAKU CO LTD (3)· patent assignee history
1994–2016Based in Kyoto, JP· patent location history
2001–2015Patents assigned to FUJI XEROX CO LTD (5)· patent assignee history
2001–2012Based in Ebina, JP· patent location history
2008–2010Patents assigned to TAKEDA PHARMACEUTICAL (4)· patent assignee history
2012–2014Patents assigned to NAKAYAMA YUTAKA (6)· patent assignee history
2013–2015Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NAKAYAMA YUTAKAself | 6 | 2012–2014 |
| NGK SPARK PLUG CO | 6 | 1984–1988 |
| FUJI XEROX CO LTD | 5 | 2001–2015 |
| TAKEDA PHARMACEUTICAL | 4 | 2008–2010 |
| DAI ICHI KOGYO SEIYAKU CO LTD | 3 | 1994–1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kyoto, JP | 7 | 1994–2016 |
| Nagoya, JP | 5 | 1984–1988 |
| Kanagawa, JP | 3 | 2013–2015 |
| Ebina, JP | 2 | 2001–2012 |
| Kobe, JP | 2 | 1988–1989 |