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For the Inventor, By the Inventor

Kashiwa, Japan

Tatsuo Natori

USPTO Granted Patents = 14

Average Co-Inventor Count = 3.8

ph-index = 10

Forward Citations = 218(Granted Patents)


Location History:

  • Chiba, JP (1989)
  • Kashiwa, JP (1980 - 2000)

Company Filing History:

goldMedal14 out of 42,485 
 
Hitachi, Ltd.
 patents

Years Active: 1980-2000

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14 patents (USPTO):Explore Patents
1. 6142755 - Scroll compressor and method of manufacturing same (2000-11-07),
2. 5364250 - Oil-free screw compressor and method of manufacture (1994-11-15),
3. 5314321 - Screw-type rotary fluid machine including rotors having treated surfaces (1994-05-24),
4. 5223052 - Method of treating surfaces of rotors of the screw type rotary machine (1993-06-29),
5. 5052464 - Method of casting a member having an improved surface layer (1991-10-01),
6. 5017102 - Magnetically coupled pump and nuclear reactor incorporating said pump (1991-05-21),
7. 4883621 - Method for forming cast article by slip casting (1989-11-28),
8. 4871497 - Slip casting method (1989-10-03),
9. 4812278 - Process for preparing mold (1989-03-14),
10. 4808360 - Method of producing mold for slip casting and method of molding slip (1989-02-28),
11. 4659526 - Slip casting forming method and mold (1987-04-21),
12. 4604141 - Slip casting mold (1986-08-05),
13. 4285385 - Method for the production of heat exchangers (1981-08-25),
14. 4235277 - Method of forming three-dimensional network porous metallic structure (1980-11-25),

Title: **The Innovative Contributions of Tatsuo Natori**

Introduction

Tatsuo Natori, an accomplished inventor based in Kashiwa, Japan, has made significant strides in the field of compressor technology. With a portfolio of 14 patents, Natori’s innovations focus primarily on oil-free compressors, showcasing his commitment to advancing efficiency and performance in air compression systems.

Latest Patents

Among Natori's latest patents are the "Scroll Compressor and Method of Manufacturing Same" and the "Oil-Free Screw Compressor and Method of Manufacture." The scroll compressor utilizes an orbiting scroll design equipped with spiral-shaped laps that create compression chambers, effectively preventing leakage of compressed gas through strategically placed elastic tip seals. The invention also features surface treatments to prevent seizure during operation, ensuring reliable performance.

In his oil-free screw compressor patent, Natori outlines a comprehensive manufacturing process that includes preparing semi-finished rotors, applying specialized coating films, and employing grinding techniques to achieve precise rotor configurations. This innovative method culminates in the efficient operation of the rotors while minimizing backlash and enhancing compression effectiveness.

Career Highlights

Natori is associated with Hitachi, Ltd., a leading company in technology and innovation. His role within this esteemed institution has empowered him to develop groundbreaking technologies that address the needs of various industries, particularly in air compression systems.

Collaborations

Throughout his career, Natori has collaborated with fellow inventors such as Takashi Shimaguchi and Toshihiro Yamada. These partnerships have facilitated the exchange of ideas and have contributed to the collective advancement of compressor technologies, highlighting the importance of teamwork in achieving innovative milestones.

Conclusion

Tatsuo Natori's contributions to the field of compressor technology are noteworthy and exemplify the potential of innovation in improving industrial processes. His patents not only reflect his expertise but also his dedication to creating efficient, oil-free systems that benefit various applications. As his work continues to evolve, Natori's legacy will undoubtedly influence the future of air compression technologies.

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