Kazuhiro Sakai

This inventor holds 57 USPTO granted patents and 14 published patent applications and 3 EPO patents, primarily in Optical Devices (CPC class H01S). Top assignees: Fuji Xerox Co., Ltd., Fujifilm Business Innovation Corp.. Active years: 1992-2026.

USPTO Granted Patents = 57 (Patent Applications = 14)

% Patents Active = 66.7

EPO Patents = 3 (Patent Applications = 1)

Average Co-Inventor Count = 4.0

ph-index = 11

Forward Citations = 413(Granted Patents)

Forward Citations (Not Self Cited) = 407(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Nakai-machi, JP (1999 - 2008)
Ashigarakami-gun, JP (2005 - 2011)
Tokyo, JP (2021)
Kanagawa, JP (1992 - 2024)
Ebina, JP (2023 - 2024)

Company Filing History:

Fujifilm Business Innovation Corp.

patents

Years Active: 1992-2026

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Areas of Expertise:

Light Emitting Device

Optical Device

Measurement Device

Optical Transmission Module

Biological Information Measurement

Signal Communication System

Optoelectric Composite Wiring

Surface Emitting Semiconductor Laser

Image Forming Device

Optical Signal Transmission

Optical Measurement Apparatus

Living-Body Information

57 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12517253 - Light emitting device, optical device, and information processing apparatus (2026-01-06),

2. 12388232 - Light-emitting device, optical device, measurement device, and information processing apparatus (2025-08-12),

3. 12107385 - Light emitting device, optical device, and measurement device (2024-10-01),

4. 12027510 - Light-emitting element array chip, light-emitting device, optical device, and information processing device (2024-07-02),

5. 11973321 - Light emitting device (2024-04-30),

6. 11936160 - Light-emitting device, optical device, and measurement device (2024-03-19),

7. 11732884 - Light-emitting device, optical device, and information processing device comprising plural wiring members and circuit elements on side surfaces of a light emitting element array (2023-08-22),

8. 11705695 - Light emitting device (2023-07-18),

9. 11585903 - Light emitting device, optical device, and information processing device (2023-02-21),

10. 11539184 - Light-emitting device, optical device, and measurement device (2022-12-27),

11. 11534088 - Optical measuring apparatus and non-transitory computer readable medium (2022-12-27),

12. 11495940 - Light emitting device, optical device, and measurement device (2022-11-08),

13. 11433692 - Detection sensor, detection device, conveying device, and image forming device (2022-09-06),

14. 11303097 - Light-emitting device, optical apparatus, optical measurement apparatus, and image forming apparatus (2022-04-12),

15. 11211774 - Light emitting device, optical device, and information processing apparatus (2021-12-28),

Title: The Innovative Mind of Kazuhiro Sakai

Introduction: Kazuhiro Sakai is a renowned inventor hailing from Kanagawa, Japan. His creative spirit and dedication to innovation have led to groundbreaking developments in various fields.

Latest Patents: Kazuhiro Sakai holds several recent patents in the areas of robotics, artificial intelligence, and sustainable energy solutions. His inventions have garnered international recognition for their ingenuity and practicality.

Career Highlights: Throughout his illustrious career, Kazuhiro Sakai has consistently pushed the boundaries of technological advancement. From early beginnings in research institutions to leading roles in top companies, he has been at the forefront of cutting-edge innovation.

Collaborations: Kazuhiro Sakai has collaborated with top universities, research institutions, and industry leaders to bring his ideas to life. His ability to work across disciplines and sectors has resulted in transformative inventions that have the potential to shape the future.

Conclusion: In conclusion, Kazuhiro Sakai stands as a beacon of creativity and excellence in the world of innovation. His passion for pushing the limits of what is possible has cemented his legacy as a true visionary in the field of inventions.