Katsunari Hanaoka

This inventor holds 16 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 5 EPO patents, primarily in Surface Emitting Lasers. Top assignees: Ricoh Company, Ltd., Ricoh Research Institute of General Electronics. Active years: 1996-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsunari Hanaoka. Retrieved from https://idiyas.com/inventor/katsunari-hanaoka

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

Calculating rank

USPTO Granted Patents = 16 (Patent Applications = 1)

% Patents Active = 87.5

CIPO Patents = 1

EPO Patents = 5 (Patent Applications = 4)

Average Co-Inventor Count = 2.1

ph-index = 5

Forward Citations = 97(Granted Patents)

Location History:

Ono, JP (1996 - 1999)
Atsugi, JP (2002 - 2011)
Kanagawa, JP (2005 - 2015)
Miyagi, JP (2014 - 2024)

Company Filing History:

Ricoh Research Institute of General Electronics

patents

where one patent can have more than one assignee

Years Active: 1996-2024

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Areas of Expertise:

Surface Emitting Laser

Optical Scanner

Image Forming Apparatus

Vertical Cavity

Optical Device

Semiconductor Device

Film-Formation Method

Optical Recording Medium

Stamper Production

Substrate Holder

Multi-Valued ROM Disc

16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12068577 - Surface emitting laser, surface emitting laser device, light source device, and detection apparatus (2024-08-20),

2. 11901701 - Surface emitting laser element, surface emitting laser, surface emitting laser device, light source device, and detection apparatus (2024-02-13),

3. 9176417 - Surface-emitting laser device, surface-emitting laser array, optical scanner, image forming apparatus, and method for manufacturing surface-emitting laser device (2015-11-03),

4. 8879600 - Surface emitting laser array element, optical scanning device, and image forming apparatus (2014-11-04),

5. 8736652 - Surface-emitting laser device, surface-emitting laser array, optical scanner, image forming apparatus, and method for manufacturing surface-emitting laser device (2014-05-27),

6. 8599233 - Vertical cavity surface emitting laser element, vertical cavity surface emitting laser array, optical scanning device, and image forming apparatus (2013-12-03),

7. 8275014 - Surface-emitting laser element, surface-emitting laser array, optical scanning device, and image forming apparatus (2012-09-25),

8. 7990838 - Process for producing stamper of multi-valued ROM disc, apparatus for producing the same, and resulting disc (2011-08-02),

9. 7273534 - Optical device substrate film-formation apparatus, optical disk substrate film-formation method, substrate holder manufacture method, substrate holder, optical disk and a phase-change recording type of optical disk (2007-09-25),

10. 6841049 - OPTICAL DEVICE SUBSTRATE FILM-FORMATION APPARATUS, OPTICAL DISK SUBSTRATE FILM-FORMATION METHOD, SUBSTRATE HOLDER MANUFACTURE METHOD, SUBSTRATE HOLDER, OPTICAL DISK AND A PHASE-CHANGE RECORDING TYPE OF OPTICAL DISK (2005-01-11),

11. 6479121 - Optical recording medium and method of fabricating same (2002-11-12),

12. 6001720 - Method for forming ohmic contact (1999-12-14),

13. 5976971 - Fabrication process of a semiconductor device having an interconnection (1999-11-02),

14. 5656841 - Semiconductor device with contact hole (1997-08-12),

15. 5589712 - Semiconductor integrated circuit device and a method of manufacturing (1996-12-31),

Title: Katsunari Hanaoka: Pioneering Inventor from Kanagawa

Introduction: Katsunari Hanaoka is a renowned inventor hailing from Kanagawa, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Katsunari Hanaoka holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With over two decades of experience in the industry, Hanaoka has worked with leading tech companies to develop cutting-edge solutions that have revolutionized various sectors.

Collaborations: Throughout his career, Katsunari Hanaoka has collaborated with top researchers, engineers, and scientists from around the world, fostering a culture of innovation and knowledge-sharing.

Conclusion: Katsunari Hanaoka's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the future of technology.

Profile summary based on public USPTO records.