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Toshiro Hattori

USPTO Granted Patents = 15 (Patent Applications = 2)

Average Co-Inventor Count = 1.6

ph-index = 6

Forward Citations = 151(Granted Patents)

Company Filing History:

Mayekawa Mfg. Co., Ltd.

patents

1 out of 14

Tokyo Magnetic Printing Co., Ltd.

Years Active: 1990-2007

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7165947 - Screw compressor capable of manually adjusting both internal volume ratio and capacity and combined screw compressor unit accommodating variation in suction or discharge pressure (2007-01-23),

2. 6881040 - Multi-stage screw compressor unit accommodating high suction pressure and pressure fluctuations and method of operation thereof (2005-04-19),

3. 6659729 - Screw compressor equipment for accommodating low compression ratio and pressure variation and the operation method thereof (2003-12-09),

4. 6585801 - Operating method of gas engine accommodating to sour gas and the system thereof (2003-07-01),

5. 6560058 - Positioning control device, changeable magnetic disc device, and head control method (2003-05-06),

6. 6510016 - Head positioning control system for disk drive (2003-01-21),

7. 6414812 - Medium replacement type disc apparatus (2002-07-02),

8. 6342987 - Head positioning mechanism for magnetic disk device provided with micro tracking actuator using magnetic force drive control method therefor (2002-01-29),

9. 6320720 - Head-positioning system with an improved fine tracking actuator control scheme (2001-11-20),

10. 6202424 - System for compressing contaminated gas (2001-03-20),

11. 6061208 - Magnetic disc device with stopper on carriage to limit rotational (2000-05-09),

12. 6043957 - Head positioning mechanism for magnetic disk device provided with micro (2000-03-28),

13. 5867342 - Tracking servo system for magnetic disc drive with reduced head-settling (1999-02-02),

14. 5465183 - Control system for positioning head in disk device by estimating and (1995-11-07),

15. 4974373 - Abrasive tools (1990-12-04),

Title: Toshiro Hattori: Innovator in Screw Compressor Technology

Introduction

Toshiro Hattori is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of compressor technology, holding a total of 15 patents. His innovative designs focus on enhancing the efficiency and functionality of screw compressors.

Latest Patents

Hattori's latest patents include a screw compressor capable of manually adjusting both internal volume ratio and capacity. This design features a manually operated internal volume ratio adjusting slide valve and capacity adjusting slide valve. The compressor is simple in construction, can be produced at a low cost, and accommodates decreases in suction pressure, such as those found in aged gas wells. Notably, it can operate without an electric power source for controlling its operation. Another significant patent is a combined screw compressor unit that consists of multiple screw compressors designed to produce high discharge pressure. This unit can handle high suction pressure to prevent overloading the higher pressure compressors while maintaining high efficiency. Additionally, Hattori has developed a multi-stage screw compressor unit that accommodates high suction pressure and pressure fluctuations, ensuring efficient operation even under varying conditions.

Career Highlights

Throughout his career, Toshiro Hattori has worked with notable companies, including NEC Corporation and Mayekawa Mfg. Co., Ltd. His experience in these organizations has contributed to his expertise in compressor technology and innovation.

Collaborations

Hattori has collaborated with several talented individuals in his field, including Katsuyuki Takahashi and Kiyoshi Tanaka. These collaborations have further enriched his work and led to advancements in compressor design.

Conclusion

Toshiro Hattori's contributions to screw compressor technology demonstrate his innovative spirit and commitment to improving efficiency in mechanical systems. His patents reflect a deep understanding of the challenges in compressor operation and offer practical solutions that benefit various industries.

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