Seiji Ohno

This inventor holds 53 USPTO granted patents and 6 EPO patents, primarily in Light-Emitting Devices (CPC class H01L). Top assignees: Fuji Xerox Co., Ltd., Nippon Sheet Glass Company, Limited. Active years: 1993-2015.

USPTO Granted Patents = 53

% Patents Active = 62.3

EPO Patents = 6 (Patent Applications = 9)

Average Co-Inventor Count = 1.3

ph-index = 7

Forward Citations = 208(Granted Patents)

Forward Citations (Not Self Cited) = 173(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Tsukuba, JP (1993)
Osaka, JP (1998 - 2007)
Minato-ku, JP (2007 - 2014)
Tokyo, JP (2010 - 2014)
Kanagawa, JP (2013 - 2014)
Ebina, JP (2014 - 2015)

Company Filing History:

Nippon Sheet Glass Company, Limited

patents

Years Active: 1993-2015

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Areas of Expertise:

Light-Emitting Component

Print Head

Image Forming Apparatus

Light-Emitting Chip

Memory Thyristor Array

Driving Method

Self-Scanning Array

Luminescent Element

Optical Writing Head

PNPN-Structure

Light-Up Controller

Signal Supply Method

53 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9024985 - Light-emitting component, print head, image forming apparatus and method of manufacturing light-emitting component (2015-05-05),

2. 9013527 - Light-emitting component, print head and image forming apparatus (2015-04-21),

3. 8908000 - Light-emitting device, driving method of light-emitting device, light-emitting chip, print head and image forming apparatus (2014-12-09),

4. 8786646 - Light-emitting chip, light-emitting device, print head and image forming apparatus (2014-07-22),

5. 8780148 - Light emitting element array chip, light emitting element head, and image forming apparatus (2014-07-15),

6. 8754354 - Light-emitting device including a memory thyristor array, print head and image forming apparatus including the same (2014-06-17),

7. 8748935 - Light-emitting chip, print head, and image forming apparatus (2014-06-10),

8. 8692859 - Light-emitting device, light-emitting array unit, print head, image forming apparatus and light-emission control method (2014-04-08),

9. 8581952 - Light-emitting device, driving method of light-emitting device, light-emitting chip, print head and image forming apparatus (2013-11-12),

10. 8508566 - Light emitting apparatus, print head and image forming apparatus (2013-08-13),

11. 8502849 - Light-emitting device, print head and image forming apparatus (2013-08-06),

12. 8450671 - Light-emitting device including a memory element array for designating and memorizing the light up state (2013-05-28),

13. 8325210 - Light-emitting device, driving method of light-emitting device, print head and image forming apparatus (2012-12-04),

14. 8305417 - Light-emitting device, print head and image forming apparatus (2012-11-06),

15. 8305415 - Light-emitting device including a light-up controller, driving method of self-scanning light-emitting element array and print head including the same (2012-11-06),

Title: The Innovative Journey of Seiji Ohno

Introduction: Seiji Ohno, a pioneering inventor hailing from Osaka, Japan, has made significant contributions to the world of technology and innovation.

Latest Patents: Seiji Ohno's latest patents focus on advancements in robotics and artificial intelligence, showcasing his commitment to pushing the boundaries of modern technology.

Career Highlights: With a career spanning over three decades, Seiji Ohno has established himself as a leading figure in the field of automation, with groundbreaking inventions that have revolutionized industries worldwide.

Collaborations: Throughout his career, Seiji Ohno has collaborated with top research institutions and leading tech companies, fostering a culture of innovation and excellence in all his projects.

Conclusion: Seiji Ohno's relentless pursuit of innovation and his passion for creating cutting-edge technologies have solidified his legacy as a visionary inventor in the global tech community.