Company Filing History:

8 out of 772

Koyo Seiko Company, Ltd.

patents

Sharp Kabushiki Kaisha Corporation

patents

Years Active: 1990-2015

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9151328 - Conical roller bearing (2015-10-06),

2. 8534926 - Clutch release bearing (2013-09-17),

3. 7913827 - Electromagnetic actuator, electromagnetic clutch including said electromagnetic actuator, and driving force transmitting apparatus for vehicle including said electromagnetic clutch (2011-03-29),

4. 7350977 - Double-row ball bearing and bearing device for supporting pinion shaft (2008-04-01),

5. 7287911 - Bearing device for supporting pinion shaft (2007-10-30),

6. 7059777 - Assembly for ball bearing with double raceway and method of manufacturing ball bearing with double raceway (2006-06-13),

7. 7034521 - Wheel speed detector having stationary seal member for mounting magnetic sensor (2006-04-25),

8. 6943542 - Sealed wheel speed detector with rotating magnetic ring and stationary magnetic sensor (2005-09-13),

9. 6605938 - Compact wheel speed detector capable of saving space and improving workability (2003-08-12),

10. 6196727 - Rolling bearing unit with track surface for ensuring proper positioning of lip seal during assembly (2001-03-06),

11. 5975765 - Bearing device for wheels (1999-11-02),

12. 5797686 - Wheel bearing device (1998-08-25),

13. 5544963 - Bearing seal assembly with specially dimensioned sealing lip (1996-08-13),

14. 4934988 - Belt tensioner (1990-06-19),

Title: Motoshi Kawamura: Innovator in Bearing Technology

Introduction

Motoshi Kawamura is a prominent inventor based in Kitakatsuragi-gun, Japan. He has made significant contributions to the field of bearing technology, holding a total of 14 patents. His innovative designs have enhanced the performance and reliability of various mechanical components.

Latest Patents

Among his latest patents is the conical roller bearing. This design features an inner ring with an annular groove situated between the inner-ring-side raceway surface and a small-diameter-side end portion. The cage of the bearing includes an erected portion that extends towards the annular groove, incorporating both a first and a second inclined portion. The first inclined portion is designed to engage with conical rollers, while the second inclined portion engages with the annular groove in an axial direction of the inner ring. Another notable patent is the clutch release bearing, which enhances water resistance. This design includes a first seal member that is externally fitted to the outer ring, featuring a seal lip that maintains sliding contact with the inner ring's outside diameter. An annular guide and an axial lip form a labyrinth to improve sealing efficiency.

Career Highlights

Motoshi Kawamura has worked with notable companies in the industry, including Koyo Seiko Company, Ltd. and Jtekt Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in bearing technology.

Collaborations

Throughout his career, Kawamura has collaborated with talented individuals such as Kanichi Kouda and Minoru Sentoku. These partnerships have fostered innovation and the development of cutting-edge technologies in the field.

Conclusion

Motoshi Kawamura's contributions to bearing technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the design and functionality of mechanical components, ensuring enhanced performance and reliability.

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