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For the Inventor, By the Inventor

Kariya, Japan

Toshio Maruyama

USPTO Granted Patents = 14


Average Co-Inventor Count = 3.0

ph-index = 7

Forward Citations = 85(Granted Patents)


Location History:

  • Gifu, JP (1993)
  • Kariya, JP (1980 - 1994)
  • Ibi-gun, JP (2013)

Company Filing History:

goldMedal13 out of 629 
 
Toyoda Koki Kabushiki Kaisha
 patents
silverMedal1 out of 2,415 
 
Jtekt Corporation
 patents

Years Active: 1980-2013

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14 patents (USPTO):Explore Patents
1. 8348728 - Grinding wheel (2013-01-08),
2. 5303511 - Spindle apparatus for supporting and rotating a workpiece (1994-04-19),
3. 5272843 - Method and apparatus for truing a grinding wheel (1993-12-28),
4. 5144772 - Method and apparatus for angularly indexing a crankshaft (1992-09-08),
5. 4899718 - Apparatus for truing grinding wheel (1990-02-13),
6. 4897967 - Apparatus for truing a grinding wheel (1990-02-06),
7. 4873793 - Numerically controlled machine tool (1989-10-17),
8. 4848038 - Method for grinding a non-circular workpiece (1989-07-18),
9. 4621463 - Method of grinding cams on a camshaft (1986-11-11),
10. 4530187 - Dressing device for grinding wheels (1985-07-23),
11. 4528781 - Method of forming cam by grinding (1985-07-16),
12. 4497140 - Cam grinding machine (1985-02-05),
13. 4259940 - Grinding machine with a CBN grinding wheel (1981-04-07),
14. 4208844 - Guard device with dressing apparatus for grinding wheel (1980-06-24),

Title: Toshio Maruyama: An Innovator in Grinding Technology

Introduction

Toshio Maruyama, a distinguished inventor based in Kariya, Japan, is renowned for his contributions to grinding technology. With a remarkable portfolio of 14 patents, he has made significant advancements in the design and functionality of grinding tools, setting benchmarks for efficiency and usability in the industry.

Latest Patents

Among his latest innovations is a patent for a grinding wheel that features a grindstone portion designed on a core which includes slippery fluoroplastic coating films. These films prevent the attachment of foreign matter, ensuring optimal performance by keeping the grinding surface clean. Another significant invention is a spindle apparatus designed to support and rotate a workpiece in a grinder. This intricate mechanism includes a workpiece spindle that is rotatably supported on a spindle head and is driven for rotation by a motor. The design incorporates a spindle plate equipped with an eccentric drive pin, allowing precise engagement with the workpiece for enhanced functionality.

Career Highlights

Toshio Maruyama has had an impressive career, marking his presence in prominent companies such as Toyoda Koki Kabushiki Kaisha and Jtekt Corporation. His work at these organizations has allowed him to refine his inventions that not only meet but exceed industry standards. His relentless pursuit of innovation has earned him recognition among peers and within the field of mechanical engineering.

Collaborations

Throughout his career, Maruyama has collaborated with notable professionals like Shoichi Sano and Tsuyoshi Koide. These partnerships have enriched his experiences and contributed to the development of groundbreaking technologies that continue to influence grinding practices across various sectors.

Conclusion

Toshio Maruyama's contributions to grinding technology through his inventive prowess are invaluable. His 14 patents reflect his commitment to enhancing productivity and the quality of grinding processes. As he continues to innovate and collaborate with other industry experts, Maruyama remains a pivotal figure in the realm of mechanical inventions, inspiring future generations of engineers and inventors.

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