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For the Inventor, By the Inventor

Nagano, Japan

Masayoshi Saichi

This inventor holds 20 USPTO granted patents and 2 published patent applications, primarily in Industrial Robotics. Top assignees: Nidec Corporation, Nidec Sankyo Corporation, Sankyo Seiki Mfg. Co., Ltd. Active years: 1996-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayoshi Saichi. Retrieved from https://idiyas.com/inventor/masayoshi-saichi

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

Calculating rank
USPTO Granted Patents = 20 

% Patents Active = 75.0

Average Co-Inventor Count = 3.2

ph-index = 6

Forward Citations = 88(Granted Patents)


Location History:

  • Shimosuwa-machi, JP (2006)
  • Kyoto, JP (2008 - 2013)
  • Nagano, JP (1996 - 2020)

Company Filing History:

goldMedal8 out of 1,529 
 
Nidec Corporation
 patents
silverMedal5 out of 732 
 
Nidec Sankyo Corporation
 patents
bronzeMedal5 out of 264 
 
Sankyo Seiki Mfg. Co., Ltd
 patents
4. 1 out of 307 
 
Kabushiki Kaisha Sankyo Seiki Seisakusho
 patents
5. 1 out of 1 
 
Nippon Densan Co., Ltd.
 patent
6. 1 out of 4 
 
Toyo Drilube Co., Ltd.
 patents
7. 1 out of 5,432 
 
Western Digital Technologies, Inc.
 patents
where one patent can have more than one assignee

Years Active: 1996-2020

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Areas of Expertise:
Horizontal Articulated Robot
Dynamic Pressure Bearing
Spindle Motor
Industrial Robot
Hydrodynamic Bearing
Recording Disk Drive
Brushless Motor
Elevating Mechanism
Conical Bearing Device
Lead Wire Connection
Disk Drive Apparatus
Manufacturing Method
20 patents (USPTO):Explore Patents
1. 10780586 - Horizontal articulated robot with bevel gears (2020-09-22),
2. 10213924 - Industrial robot with slit through-hole in cover (2019-02-26),
3. 10195743 - Horizontal articulated robot and method for manufacturing horizontal articulated robot (2019-02-05),
4. 9539727 - Industrial robot with elevating mechanism and arm-elevating mechanism (2017-01-10),
5. 8416524 - Spindle motor having connecting mechanism connecting lead wire and circuit board, and storage disk drive having the same (2013-04-09),
6. 8215842 - Dynamic fluid pressure bearing, spindle motor, disk drive apparatus and method for manufacturing the dynamic fluid pressure bearing (2012-07-10),
7. 7456540 - Motor and recording disk drive device provided with the same (2008-11-25),
8. 7455457 - Hydrodynamic bearing device and a recording disk drive equipped with it (2008-11-25),
9. 7365939 - Dynamic-pressure bearing device and disk drive (2008-04-29),
10. 7345388 - Brushless motor and recording disk driving apparatus having the brushless motor (2008-03-18),
11. 7327066 - Motor and recording disk drive device provided with the same (2008-02-05),
12. 7201517 - Hydrodynamic bearing device and a recording disk drive equipped with it (2007-04-10),
13. 7063463 - Conical hydrodynamic bearing device and a recording disk drive equipped with it, and a method of manufacturing a conical hydrodynamic bearing device (2006-06-20),
14. 7008109 - Dynamic pressure bearing device (2006-03-07),
15. 6663287 - Thrust dynamic pressure bearing apparatus and method for manufacturing the same (2003-12-16),

Title: Masayoshi Saichi: Innovator in Robotics from Nagano, Japan

Introduction

Masayoshi Saichi, a prolific inventor hailing from Nagano, Japan, has made significant contributions to the field of robotics. With a portfolio of 20 patents, Saichi's innovations reflect his dedication to advancing robotic technology and enhancing automation processes.

Latest Patents

Among his latest inventions is the "Horizontal Articulated Robot with Bevel Gears." This innovative robot features a hand and an arm comprised of two portions, allowing for unique rotational mechanics. The design includes a rotation mechanism equipped with a motor and a Harmonic Drive wave-motion gearing device to optimize power efficiency through intricate gearing interactions.

Another notable patent is for the "Industrial Robot with Slit Through-Hole in Cover." This industrial robot is designed with an elevating mechanism that raises and lowers the robot's main body. The inclusion of slit through-holes in the cover enables smoother movement of the joining member, enhancing the robot's functionality in various operational contexts.

Career Highlights

Throughout his career, Masayoshi Saichi has been associated with renowned companies such as Nidec Corporation and Nidec Sankyo Corporation. His engineering expertise and inventive spirit have allowed him to develop solutions that address complex robotic challenges in industrial applications.

Collaborations

Saichi has worked alongside talented individuals like Masato Gomyo and Shingo Suginobu, collaborating on various projects that focus on improving robotics technology. Their collective efforts have contributed to advancements that push the boundaries of what is possible in the field of automation.

Conclusion

Masayoshi Saichi’s work exemplifies innovation in robotics. With his extensive patent portfolio, he continues to influence the industry, paving the way for future developments in automation and robot design. His dedication to research and development showcases the potential of robotics to transform various sectors, ranging from manufacturing to everyday life.

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]
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