Inventor
Toshimasa Hamada
Inventor
Osaka, JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography36%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1012%
G02BOptical elements, systems or apparatus8%
H10DInorganic electric semiconductor devices8%
B02CCrushing, pulverising, or disintegrating in general4%
C23CCoating metallic material4%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
G11BInformation storage based on relative movement between record carrier and transducer4%
H03MCoding4%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation4%
PatentTitleYear
9,002,226'Developing device and image forming apparatus'20158,644,741'Developing device and image forming apparatus'20148,326,195'Transfer device and image forming apparatus'20128,135,295'Image forming apparatus with a developing device utilizing an alternating bias voltage'20127,974,545'Developing device and image forming apparatus that utilize a variable AC bias voltage'20117,949,270'Development method and image forming apparatus'20117,899,372'Developing device and image forming apparatus'20117,890,029'Image forming apparatus'20117,664,440'Developing device and image forming apparatus having the same'20106,620,744'Insulating film formation method, semiconductor device, and production apparatus'20035,926,735'Method of forming semiconductor device'19995,648,146'Metallic wiring substrate'19975,644,124'Photodetector with a multilayer filter and method of producing the same'19975,450,237'Hyperresolution optical system'19955,162,797'VITERBI decoder'19924,586,664'Bearing supporting system for cone crusher'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986Patents assigned to KOBE STEEL LTD (1)· patent assignee history
1992Patents assigned to MITSUBISHI ELECTRIC CORP (1)· patent assignee history
1995–2015Patents assigned to SHARP KK (14)· patent assignee history
1995–2011Based in Kashihara, JP· patent location history
1997Based in Yamatokoriyama, JP· patent location history
1997Based in Yamatokooriyama, JP· patent location history
1999–2011Based in Nara, JP· patent location history
2011–2015Based in Osaka, JP· patent location history
2012–2015Patents assigned to HAMADA TOSHIMASA (4)· patent assignee history
2012Patents assigned to AIMOTO TOYOKA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHARP KK | 14 | 1995–2015 |
| HAMADA TOSHIMASAself | 4 | 2012–2015 |
| AIMOTO TOYOKA | 1 | 2012 |
| KOBE STEEL LTD | 1 | 1986 |
| MITSUBISHI ELECTRIC CORP | 1 | 1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Osaka, JP | 5 | 2011–2015 |
| Kashihara, JP | 4 | 1995–2011 |
| Nara, JP | 3 | 1999–2011 |
| Yamatokoriyama, JP | 1 | 1997 |
| Yamatokooriyama, JP | 1 | 1997 |