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For the Inventor, By the Inventor

Chino, Japan

Hiroyuki Hara

This inventor holds 26 USPTO granted patents, primarily in Electro-Optical Devices. Top assignee: Seiko Epson Corporation. Active years: 2005-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Hara. Retrieved from https://idiyas.com/inventor/hiroyuki-hara-2gcf3f71

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

USPTO Granted Patents = 26

% Patents Active = 65.4

Average Co-Inventor Count = 1.8

ph-index = 6

Forward Citations = 161(Granted Patents)


Location History:

  • Nagano-ken, JP (2009)
  • Chino-shi, JP (2010)
  • Chino, JP (2005 - 2014)
  • Nagano, JP (2006 - 2014)
  • Suwa, JP (2015)

Company Filing History:

goldMedal26 out of 34,296 
 
Seiko Epson Corporation
 patents

Years Active: 2005-2015

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Areas of Expertise:
Liquid Crystal Device
Electro-Optical Device
Electronic Equipment
Organic EL Device
Capacitance Detection
Biometric Authentication
Pixel Circuit
Printing Apparatus
Semiconductor Device
Driving Method
Projection-Type Display
Fingerprint Sensor
26 patents (USPTO):Explore Patents
1. 8953129 - Liquid crystal device and projection-type display apparatus (2015-02-10),
2. 8896793 - Electro-optical device and electronic equipment (2014-11-25),
3. 8873126 - Electrooptic device and electronic apparatus (2014-10-28),
4. 8817220 - Liquid crystal device and projection-type display device (2014-08-26),
5. 8817219 - Liquid crystal device and projection-type display device (2014-08-26),
6. 8659528 - Electro-optical device driven by polarity reversal during each sub-field and electronic apparatus having the same (2014-02-25),
7. 8643814 - Liquid crystal device and projection-type display apparatus (2014-02-04),
8. 7924246 - Pixel circuit, method of driving pixel, and electronic apparatus (2011-04-12),
9. 7918549 - Ink cartridge and printing apparatus (2011-04-05),
10. 7864139 - Organic EL device, driving method thereof, and electronic apparatus (2011-01-04),
11. 7781964 - Organic electroluminescent device and electronic apparatus (2010-08-24),
12. 7758175 - Ink cartridge and printer (2010-07-20),
13. 7652432 - Organic electro-luminescence device, driving method thereof and electronic apparatus (2010-01-26),
14. 7638949 - Organic electroluminescence device, method for driving thereof, and electronic appliance (2009-12-29),
15. 7486809 - Capacitance detection device, fingerprint sensor, biometric authentication device, and method for searching capacitance detection condition (2009-02-03),

Title: Hiroyuki Hara: Innovator in Liquid Crystal Technology

Introduction

Hiroyuki Hara, based in Chino, Japan, is a distinguished inventor known for his significant contributions to the field of liquid crystal technology. With 26 patents to his name, Hara has dedicated his career to enhancing display technologies, particularly in electronic devices.

Latest Patents

Among his recent innovations are two noteworthy patents:

1. **Liquid Crystal Device and Projection-Type Display Apparatus** - This patent introduces an innovative element substrate in a liquid crystal device, which features a unique peripheral electrode designed to trap ionic impurities effectively. By varying the electrode widths, especially in the area opposing the seal material, Hara has improved the integrity and quality of the display.

2. **Electro-Optical Device and Electronic Equipment** - This patent outlines a specific arrangement of pixel electrodes in a matrix within a display region. It uniquely integrates dummy pixel electrodes surrounding the display area, which are designed to match the size and layout of the active pixel electrodes. This design enhances the overall functionality and efficiency of the electronic devices.

Career Highlights

Hiroyuki Hara has been a vital part of Seiko Epson Corporation, where he has leveraged his expertise in liquid crystal technologies. His extensive experience and innovation have been instrumental in positioning the company as a leader in display technology.

Collaborations

Throughout his career, Hara has collaborated with esteemed colleagues such as Tomoki Yokota and Sumio Utsunomiya. These collaborations have further propelled advancements in liquid crystal devices and associated technologies, showcasing the power of teamwork in the realm of innovation.

Conclusion

Hiroyuki Hara continues to be a driving force in the innovation of liquid crystal technologies at Seiko Epson Corporation. His contributions, backed by numerous patents, reflect a commitment to enhancing electronic displays, demonstrating the impact of dedicated inventors on technology and society.

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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