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For the Inventor, By the Inventor

Tokyo, Japan

Katsuyuki Totsu

USPTO Granted Patents = 24

 

Average Co-Inventor Count = 1.0

ph-index = 13

Forward Citations = 1,088(Granted Patents)


Location History:

  • Oshiage, Sumida-ku, Tokyo, JA (1978)
  • Oshiage, Sumida-ku, Tokyo, JP (1980)
  • Higashi-Mukojima, Sumida-ku, Tokyo, JP (1980 - 1984)
  • Sumida-Ku, Tokyo JP (2005)
  • Tokyo, JP (2002 - 2007)
  • Sumida-ku, Tokyo, JP (1993 - 2008)
  • Sumida-ku, JP (2011 - 2022)

Company Filing History:

goldMedal23 out of 832,718 
Other
 patents
where one patent can have more than one assignee

Years Active: 1978-2022

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24 patents (USPTO):Explore Patents
1. 11433518 - Automatic screw tightening control method and device (2022-09-06),
2. 11130217 - Automatic screw tightening control method and device (2021-09-28),
3. 10471576 - Automatic screw tightening control method and device (2019-11-12),
4. 8636079 - Method of operating a rotary tool (2014-01-28),
5. 8083453 - Screw (2011-12-27),
6. 8001874 - Combination of screw with stabilized strength and screwdriver bit, and header punch for manufacturing the screw with stabilized strength (2011-08-23),
7. D559094 - Screw (2008-01-08),
8. 7249544 - Screw holding type screwdriver bit and combination thereof with screws (2007-07-31),
9. 7162939 - Tamperproof screw, combination with screwdriver bit, and header punch for manufacturing tamperproof screw (2007-01-16),
10. 7102265 - Four-pole synchronous motor (2006-09-05),
11. 7063171 - Motor-driven rotary tool with internal heating temperature detecting function (2006-06-20),
12. 6923268 - Electric rotational tool driving switch system (2005-08-02),
13. 6910540 - Torque control system for electrically driven rotating tools (2005-06-28),
14. 6886433 - Combination of screw and screw driver bit and header punch for its manufacture (2005-05-03),
15. 6792816 - Bit adapter for torque detector (2004-09-21),

Title: Innovations by Katsuyuki Totsu: An Insight into His Patents and Contributions

Introduction: Katsuyuki Totsu is a notable inventor based in Tokyo, Japan, recognized for his contributions to automation and machinery through his innovative patents. With a remarkable portfolio of 24 patents, Totsu specializes in enhancing operational efficiency in electric drivers.

Latest Patents: Among his latest inventions is an automatic screw tightening control method and device. This invention is designed for an electric driver where a driver bit is coupled to a drive output shaft of an electric motor through a clutch mechanism. The device ensures a reliable and straightforward confirmation of an appropriate screw-tightened state during operations. At the onset of a screw tightening task, Totsu's method detects the rotation amount of the electric motor at the clutch operation time, establishing it as a target rotation amount. In subsequent operations, this rotation amount is continuously monitored and compared, facilitating an effective assessment of the screw-tightened states.

Career Highlights: Katsuyuki Totsu has made significant strides in the field of automation. His patents reflect a commitment to creating solutions that enhance the reliability and efficiency of mechanical operations, particularly in the context of screw tightening mechanisms. Totsu's expertise has positioned him as an influential figure in his field.

Collaborations: Throughout his career, Totsu has collaborated with fellow innovator Fumito Komatsu. Their partnership has amplified the impact of their collective innovations, fostering advancements in technology that benefit a broader scope of industries.

Conclusion: Katsuyuki Totsu's innovative contributions, particularly in the realm of automatic screw tightening technologies, highlight his status as a prominent inventor. With his extensive patent portfolio, Totsu continues to influence the landscape of automation and engineering, paving the way for advancements that enhance operational efficiency.

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