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For the Inventor, By the Inventor

Inazawa, Japan

Toshiaki Ishii

USPTO Granted Patents = 18

 

Average Co-Inventor Count = 1.8

ph-index = 8

Forward Citations = 290(Granted Patents)


Location History:

  • Ichinomiya, JP (1983 - 1987)
  • Inazawa, JP (1980 - 1996)
  • Aichi, JP (1996)
  • Tokyo, JP (2000)

Company Filing History:

goldMedal18 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents

Years Active: 1980-2000

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18 patents (USPTO):Explore Patents
1. 6062344 - Elevator system (2000-05-16),
2. 5579869 - Secondary conductor of an elevator-driving linear induction motor (1996-12-03),
3. 5547059 - Linear motor elevator system (1996-08-20),
4. 5393941 - Controller for ropeless elevator (1995-02-28),
5. 5345047 - Joining segments of the secondary in a linear motor driven elevator (1994-09-06),
6. 5183980 - Linear motor elevator device with a null-flux position adjustment (1993-02-02),
7. 5174416 - Linear induction motor for elevator (1992-12-29),
8. 5158156 - Linear motor elevator with support wings for mounting secondary side (1992-10-27),
9. 4673062 - Position control system for elevator (1987-06-16),
10. 4629035 - Speed control apparatus for elevator (1986-12-16),
11. 4616733 - Method and apparatus for reducing gear backlash impacts in an elevator (1986-10-14),
12. 4394721 - Thyristor power converter with switched impedance (1983-07-19),
13. 4380045 - Thyristor convertor failure detection device (1983-04-12),
14. 4373610 - Speed control apparatus for elevator (1983-02-15),
15. 4357996 - Speed control device for an elevator (1982-11-09),

Title: **Innovations of Toshiaki Ishii: A Visionary in Elevator Technology**

Introduction

Toshiaki Ishii, a distinguished inventor based in Inazawa, Japan, has made significant contributions to the field of elevator technology. With a remarkable portfolio of 18 patents, Ishii's innovative spirit and technical expertise have led to advancements that enhance the efficiency and safety of elevator systems.

Latest Patents

Among Toshiaki Ishii's latest inventions is an advanced elevator system featuring a design wherein first and second car carrying bases move up and down along distinct segments of a hoistway. This innovative system allows for a car to be moved vertically while being selectively supported by either of the car carrying bases. The arrangement prevents overlap in projection on a horizontal plane, optimizing space usage. Additionally, Ishii has developed a secondary conductor for elevator-driving linear induction motors. This invention involves a connection method for secondary conductor members, ensuring seamless engagement to prevent damage from bending and contact with primary windings.

Career Highlights

Ishii's professional journey is underscored by his association with Mitsubishi Denki Kabushiki Kaisha, a leading company in the electrical industry. His role as an inventor has led to groundbreaking patents that not only display his ingenuity but have also contributed to advancements in elevator technology that prioritize safety and functionality.

Collaborations

Throughout his career, Toshiaki Ishii has collaborated with esteemed colleagues, including Eiki Watanabe and Masamoto Mizuno. These collaborations have facilitated a rich exchange of ideas and innovations, amplifying the impact of his inventions in the industry.

Conclusion

In summary, Toshiaki Ishii stands out as a prominent inventor whose contributions to elevator technology reflect his commitment to innovation. With a strong foundation of patents and a collaborative spirit, his work continues to influence and shape the future of vertical transportation systems.

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