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For the Inventor, By the Inventor

Tokyo, Japan

Tomohiko Sagimori

This inventor holds 15 USPTO granted patents and 2 EPO patents. Top assignee: Oki Data Corporation. Active years: 2009-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomohiko Sagimori. Retrieved from https://idiyas.com/inventor/tomohiko-sagimori

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 15

% Patents Active = 60.0

 

Average Co-Inventor Count = 4.6

ph-index = 4

Forward Citations = 38(Granted Patents)


Location History:

  • Gunma, JP (2013)
  • Tokyo, JP (2009 - 2014)
  • Hachioji, JP (2011 - 2014)
  • Takasaki, JP (2015)

Company Filing History:

goldMedal15 out of 1,875 
 
Oki Data Corporation
 patents

Years Active: 2009-2015

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15 patents (USPTO):Explore Patents
1. 9214597 - Semiconductor device (2015-12-15),
2. 8816364 - Display apparatus (2014-08-26),
3. 8748918 - Semiconductor device and optical print head (2014-06-10),
4. 8664672 - Light emitting panel having a plurality of light emitting element arrays arranged in descending order of wavelength (2014-03-04),
5. 8524366 - Graphene wafer, method for manufacturing the graphene wafer, method for releasing a graphene layer, and method for manufacturing a graphene device (2013-09-03),
6. 8481342 - Method of manufacturing semiconductor device, semiconductor device and semiconductor composite device (2013-07-09),
7. 8409366 - Separation method of nitride semiconductor layer, semiconductor device, manufacturing method thereof, semiconductor wafer, and manufacturing method thereof (2013-04-02),
8. 8269314 - Display apparatus (2012-09-18),
9. 8258537 - Efficient light emitting semiconductor device (2012-09-04),
10. 8134164 - Semiconductor device, optical print head and image forming apparatus (2012-03-13),
11. 8022418 - Composite semiconductor device, LED print head that employs the composite semiconductor device, and image forming apparatus that employs the LED print head (2011-09-20),
12. 7999275 - Composite semiconductor device, LED head that employs the composite semiconductor device, and image forming apparatus that employs the LED head (2011-08-16),
13. 7947576 - Method of manufacturing by etching a semiconductor substrate horizontally without creating a vertical face (2011-05-24),
14. 7928572 - Composite semiconductor device (2011-04-19),
15. 7541620 - Semiconductor device, light emitting diode print head, and image forming apparatus (2009-06-02),

Title: Tomohiko Sagimori: Innovator in Semiconductor Technology

Introduction

Tomohiko Sagimori is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 15 patents. His work focuses on improving the performance and reliability of semiconductor devices and display apparatuses.

Latest Patents

One of his latest patents involves a semiconductor device, which details a method for manufacturing a semiconductor device. This method includes a step of etching a silicon substrate along a specific plane to separate a silicon thin-film device, ensuring a separated surface along that plane. Another notable patent is for a display apparatus that utilizes a plastic substrate instead of a traditional glass substrate. This innovation addresses the challenges posed by the low heat conductivity of plastic substrates, which can hinder performance and reliability. To enhance heat release, a thin film metal layer is formed on the surface of the semiconductor thin film element in the display apparatus.

Career Highlights

Tomohiko Sagimori is currently associated with Oki Data Corporation, where he continues to push the boundaries of semiconductor technology. His work has been instrumental in developing solutions that enhance the functionality and efficiency of electronic devices.

Collaborations

Throughout his career, Sagimori has collaborated with notable colleagues, including Mitsuhiko Ogihara and Hiroyuki Fujiwara. These partnerships have fostered innovation and contributed to the advancement of technology in their field.

Conclusion

Tomohiko Sagimori's contributions to semiconductor technology and display apparatuses highlight his role as a leading inventor in Japan. His innovative patents and collaborations continue to shape the future of electronic devices.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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