Masayuki Katagiri

This inventor holds 22 USPTO granted patents, primarily in Motor Technology. Top assignees: Kabushiki Kaisha Sankyo Seiki Seisakusho, Sankyo Seiki Mfg. Co., Ltd. Active years: 1996-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Katagiri. Retrieved from https://idiyas.com/inventor/masayuki-katagiri-vl2tuiht

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

USPTO Granted Patents = 22

% Patents Active = 95.5

Average Co-Inventor Count = 1.8

ph-index = 8

Forward Citations = 174(Granted Patents)

Location History:

Nagano, JP (1996 - 2004)
Suwa-gun, JP (2004)

Company Filing History:

16 out of 307

Kabushiki Kaisha Sankyo Seiki Seisakusho

patents

6 out of 264

Sankyo Seiki Mfg. Co., Ltd

patents

Years Active: 1996-2004

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Areas of Expertise:

DC Motor

Brushless Motor

Rotor Assembly

Magnetizing Method

Chucking Mechanism

Magnetic Slot Closure

Salient Pole

Sliding Bearing

Coil Structure

Drive Mechanism

Permanent Magnet

22 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6836050 - Terminal structures for motor with brush to connect motor to external circuit (2004-12-28),

2. 6677694 - DC motor with brushes (2004-01-13),

3. 6534889 - Motor with rotator having shaft insertion sections with different internal peripheral surfaces (2003-03-18),

4. 6377421 - Disk rotating drive mechanism (2002-04-23),

5. 6362555 - Small motor with improved connecting structure between coil, riser and varistor (2002-03-26),

6. 6339275 - Rotor, method for assembling rotor, and motor using the rotor (2002-01-15),

7. 6285109 - Small motor with improved connecting structure between coil, riser and varistor (2001-09-04),

8. 6242830 - Motor (2001-06-05),

9. 6222818 - Disc chucking mechanism (2001-04-24),

10. 6170146 - Rotor assembling method (2001-01-09),

11. 6163520 - Disc chucking mechanism (2000-12-19),

12. 6153960 - Small motor with a coil having a continuously wound wire (2000-11-28),

13. 6100610 - DC motor (2000-08-08),

14. 6006416 - Method of mounting permanent magnet (1999-12-28),

15. 5973432 - Motor having magnetic slot closure for salient poles (1999-10-26),

Title: Masayuki Katagiri - Innovative Inventor from Nagano, Japan

Introduction: Masayuki Katagiri is a renowned inventor hailing from Nagano, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Masayuki Katagiri holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his diverse range of expertise and innovative thinking.

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

Collaborations: Throughout his career, Masayuki Katagiri has collaborated with top engineers, scientists, and inventors from around the world, fostering a culture of innovation and knowledge sharing.

Conclusion: Masayuki Katagiri's passion for pushing the boundaries of technology and his relentless pursuit of innovation continue to inspire the next generation of inventors and entrepreneurs worldwide.

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]