Osamu Sugiyama

This inventor holds 22 USPTO granted patents, primarily in Carbon Film Technology. Top assignee: Citizen Watch Company, Ltd.. Active years: 1996-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Osamu Sugiyama. Retrieved from https://idiyas.com/inventor/osamu-sugiyama-kwlzjsqd

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

Calculating rank

USPTO Granted Patents = 22

% Patents Active = 100.0

Average Co-Inventor Count = 4.7

ph-index = 10

Forward Citations = 210(Granted Patents)

Location History:

Fuchu, JP (1996)
Hanno, JP (1998 - 2002)
Tokorozawa, JP (1999 - 2002)
Saitama, JP (2003)

Company Filing History:

22 out of 2,004

Citizen Watch Company, Ltd.

patents

Years Active: 1996-2003

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Areas of Expertise:

Resin Molding

Guide Bush

Hard Carbon Film

DLC Film

Cylindrical Member

Film Formation

Insulating Material

Valve Unit

Heating Roller

Wear-Resistant Reed

22 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6517339 - Resin molding mold (2003-02-11),

2. 6419997 - Guide bush and method of forming hard carbon film over the inner surface of the guide bush (2002-07-16),

3. 6337000 - Guide bush and method of forming diamond-like carbon film over the guide bush (2002-01-08),

4. 6264209 - Guide bush and method of forming diamond-like carbon film over the guide bush (2001-07-24),

5. 6217952 - Method of forming films over inner surface of cylindrical member (2001-04-17),

6. 6131533 - Jig for forming hard carbon film over inner surface of guide bush using (2000-10-17),

7. 6126793 - Method of forming films over inner surface of cylindrical member (2000-10-03),

8. 6117496 - Method of forming a hard carbon film over an inner surface of a guide (2000-09-12),

9. 6096390 - Method of forming a hard carbon film over the inner surface of a guide (2000-08-01),

10. 6080445 - Method of forming films over insulating material (2000-06-27),

11. 6056443 - Guide bush and method of forming film over guide bush (2000-05-02),

12. 6033533 - Method of forming films over inner surface of cylindrical member (2000-03-07),

13. 6020036 - Method of forming hard carbon film over the inner surface of guide bush (2000-02-01),

14. 5993680 - Method of removing hard carbon film formed on inner circumferential (1999-11-30),

15. 5965217 - Method of forming DLC films over inner surface of cylindrical member (1999-10-12),

**Title: Innovations of Osamu Sugiyama: A Pioneer in Material Science**

Introduction

Osamu Sugiyama, hailing from Tokorozawa, Japan, is a prolific inventor with an impressive portfolio of 22 patents. His innovations primarily revolve around advancements in mold technology and the use of hard carbon films, contributing significantly to improved manufacturing processes in various industries.

Latest Patents

Sugiyama's latest achievements include a groundbreaking patent for a resin molding mold. This invention features a unique cavity formed by a fixed and moving mold, where a diamond-like carbon film enhances adhesion and increases the lifespan of both the mold and the stamper. Another notable patent is his guide bush design, which employs a hard carbon film developed to enhance durability. This innovation ensures the guide bush maintains optimum performance during heavy machining operations, minimizing wear and preventing damage to workpieces.

Career Highlights

Osamu Sugiyama is affiliated with Citizen Watch Company, Ltd., where he has significantly contributed to the development of advanced materials and manufacturing techniques. His career is marked by a commitment to innovation, focusing on practical solutions that elevate production efficiencies and product longevity.

Collaborations

Throughout his career, Sugiyama has collaborated with esteemed colleagues like Yukio Miya and Takashi Toida. Together, they have worked on various projects that blend expertise in engineering and materials science, resulting in significant advancements that benefit their industry.

Conclusion

Osamu Sugiyama's contributions to the field of material science, particularly through his patented innovations, reflect a dedication to enhancing industrial processes. His work not only embodies creativity but also a practical approach to solving challenges in manufacturing, ensuring that his legacy as an inventor continues to inspire future advancements.

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]