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For the Inventor, By the Inventor

Kyoto, Japan

Hajime Kuwahara

USPTO Granted Patents = 12

Average Co-Inventor Count = 3.5

ph-index = 11

Forward Citations = 933(Granted Patents)


Company Filing History:

goldMedal12 out of 173 
 
Nissin Electric Co., Ltd.
 patents

Years Active: 1996-2005

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12 patents (USPTO):Explore Patents
1. 6893720 - Object coated with carbon film and method of manufacturing the same (2005-05-17),
2. 6564744 - Plasma CVD method and apparatus (2003-05-20),
3. 6465057 - Plasma CVD method and apparatus (2002-10-15),
4. 6335535 - Method for implanting negative hydrogen ion and implanting apparatus (2002-01-01),
5. 6271498 - Apparatus for vaporizing liquid raw material and method of cleaning CVD apparatus (2001-08-07),
6. 6165376 - Work surface treatment method and work surface treatment apparatus (2000-12-26),
7. 6136386 - Method of coating polymer or glass objects with carbon films (2000-10-24),
8. 5935391 - Method of manufacturing a tube having a film on its inner peripheral (1999-08-10),
9. 5710608 - Method of orientation treatment of orientation film and apparatus of (1998-01-20),
10. 5651825 - Plasma generating apparatus and plasma processing apparatus (1997-07-29),
11. 5562952 - Plasma-CVD method and apparatus (1996-10-08),
12. 5556474 - Plasma processing apparatus (1996-09-17),

Title: **Hajime Kuwahara: Innovator in Carbon Film Technology**

Introduction

Hajime Kuwahara, based in Kyoto, Japan, is a notable inventor recognized for his contributions to the field of material sciences, particularly in the development of carbon film technologies. With a remarkable portfolio of 12 patents, Kuwahara has significantly impacted various industries, including automotive and electronics.

Latest Patents

Among his latest inventions, Kuwahara has developed a novel method for coating objects with a carbon film. This technology is particularly useful for items that experience frequent contact and wear, such as automobile parts, bicycle components, and even toys. The contact portions of these objects, crafted from materials like polymers, glass, or rubber, are entirely or partially coated with a durable carbon film. This film not only enhances wear resistance but also imparts properties like lubricity, water repellency, and gas barrier capabilities.

Another notable invention is his plasma CVD (Chemical Vapor Deposition) method and apparatus. This innovation facilitates the formation of a plasma from a deposition material gas through the application of both RF and DC electric power. This dual power application allows for more efficient and effective film formation on various deposition targets, expanding the potential applications of his work in advanced manufacturing processes.

Career Highlights

Kuwahara is currently engaged with Nissin Electric Co., Ltd., where he continues to push the boundaries of innovation. His extensive experience in research and development has positioned him as a leader in material technology, and his patents underscore his commitment to improving product performance and longevity.

Collaborations

Throughout his career, Kuwahara has collaborated with talented coworkers, including Takahiro Nakahigashi and Akira Doi. These partnerships have enhanced his ability to innovate and have resulted in a collaborative environment that fosters technological advancements and creative solutions.

Conclusion

Hajime Kuwahara’s contributions to carbon film technology and plasma CVD methods illustrate his dedication to innovation and advancement in material sciences. His patents not only reflect his expertise but also promise to drive future developments in a variety of fields, showcasing the importance of inventors like him in shaping the technological landscape.

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