Inventor
Gaku Yakushiji
Inventor
Higashiyamato, JP
Overview
Patents· 15 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 therein43%
G03GElectrography29%
Y10TTechnical subjects covered by former us classification14%
G02BOptical elements, systems or apparatus5%
G09GArrangements or circuits for control of indicating devices using static means to present variable information5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
8,144,386'Particles for display media and information display panel using same'20127,705,823'Image display unit'20107,646,530'Particle and device for image display'20107,525,719'Particles and device for displaying image'20097,495,819'Method of manufacturing image display panel, method of manufacturing image display device, and image display device'20097,443,564'Particles for display media and information display panel using the particles'20087,321,459'Image display device and method'20087,311,969'Semiconductive member and electrophotographic apparatus'20077,236,291'Particle use for image display media, image display panel using the particles, and image display device'20077,224,510'Reversible image display sheet and image display'20076,810,225'Conductive member and electrophotographic apparatus incorporating the conductive member'20046,555,210'Charging member and charging device'20035,982,606'Electric charging member and electric charging apparatus'19995,475,473'Electric charging member and electric charging apparatus'19955,434,653'Developing roller and apparatus'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2012Patents assigned to BRIDGESTONE CORP (15)· patent assignee history
1995–2010Based in Kodaira, JP· patent location history
2004–2012Based in Higashiyamato, JP· patent location history
2007–2009Based in Tokyo, JP· patent location history
2012Patents assigned to KAGA NORIHIKO (1)· patent assignee history
2012Patents assigned to MURATA KAZUYA (1)· patent assignee history
2012Patents assigned to YAKUSHIJI GAKU (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BRIDGESTONE CORP | 15 | 1995–2012 |
| KAGA NORIHIKO | 1 | 2012 |
| MURATA KAZUYA | 1 | 2012 |
| YAKUSHIJI GAKUself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Higashiyamato, JP | 6 | 2004–2012 |
| Kodaira, JP | 6 | 1995–2010 |
| Tokyo, JP | 3 | 2007–2009 |