Company Filing History:

2 out of 20

Oval Engineering Co., Ltd.

patents

Kyouiku Haguruma Kogko Kabushiki-kaisha

patent

4. 1 out of 1

Kyoiku Haguroma Kogyo Kabushiki-kaisha

patent

5. 1 out of 149

Hitachi Powdered Metals Co., Ltd.

patents

6. 1 out of 1

Kabushiki Kaisha Technomax Eighty Five

patent

Years Active: 1980-2006

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7048666 - Silent chain power transmitting apparatus (2006-05-23),

2. 5800151 - Screw rotor and method of generating tooth profile therefor (1998-09-01),

3. 5697772 - Screw rotor and method of generating tooth profile therefor (1997-12-16),

4. 5205679 - Rotary tool for generating bevel gears (1993-04-27),

5. 4971487 - Method for cutting involute gears (1990-11-20),

6. 4899609 - Gears having a tooth-profile with a smaller relative of curvature at a (1990-02-13),

7. 4329130 - Flow meter with helical toothed rotors having no pulsation and zero (1982-05-11),

8. 4224015 - Positive displacement flow meter with helical-toothed rotors (1980-09-23),

Title: Shigeyoshi Nagata: Innovator in Power Transmission Technology

Introduction

Shigeyoshi Nagata is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of power transmission technology, holding a total of eight patents. His innovative designs have advanced the efficiency and functionality of various mechanical systems.

Latest Patents

One of Nagata's latest patents is the Silent Chain Power Transmitting Apparatus. This invention features an endless link chain composed of multiple link plates connected together, along with sprocket wheels. Each flank of the link plates is profiled with a circular shape of the same radius of curvature, allowing for smooth power transmission through linear contact. Another notable patent is the Screw Rotor and Method of Generating Tooth Profile Therefor. This invention defines the transverse tooth profile of a screw rotor, which meshes with a companion screw rotor, enhancing the performance of screw mechanisms.

Career Highlights

Throughout his career, Shigeyoshi Nagata has worked with reputable companies such as Oval Engineering Co., Ltd. and Ebara Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects in the engineering sector.

Collaborations

Nagata has collaborated with notable coworkers, including Takeshi Kawamura and Kiyoshi Yanagisawa. Their combined expertise has fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Shigeyoshi Nagata's contributions to power transmission technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in mechanical engineering and design.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.