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For the Inventor, By the Inventor

Isesaki, Japan

Seiichi Hoshino

This inventor holds 7 USPTO granted patents. Top assignee: Sanden Corporation. Active years: 1989-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiichi Hoshino. Retrieved from https://idiyas.com/inventor/seiichi-hoshino

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 7

% Patents Active = 85.7

Average Co-Inventor Count = 3.2

ph-index = 6

Forward Citations = 70(Granted Patents)


Location History:

  • Nitta, JP (1989 - 1990)
  • Gumna, JP (1994)
  • Isesaki, JP (1997 - 2006)

Company Filing History:

goldMedal7 out of 1,041 
 
Sanden Corporation
 patents

Years Active: 1989-2006

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7 patents (USPTO):Explore Patents
1. 7083399 - Motor-driven compressors (2006-08-01),
2. 5675223 - Circuit board unit for driving and controlling motor that drives (1997-10-07),
3. 5295038 - Electromagnetic clutch (1994-03-15),
4. 4930567 - Damper motor control circuit for an automotive air conditioning system (1990-06-05),
5. 4840308 - Automotive air conditioning system damper position control (1989-06-20),
6. 4834283 - Automotive air conditioning system (1989-05-30),
7. 4832258 - Measuring circuit for use in device for detecting ambient air temperature (1989-05-23),

Title: Seiichi Hoshino: Innovator in Motor-Driven Compressors

Introduction

Seiichi Hoshino is a prominent inventor based in Isesaki, Japan. He has made significant contributions to the field of motor-driven compressors, holding a total of 7 patents. His work focuses on enhancing the efficiency and design of compressor systems, particularly in air-conditioning applications.

Latest Patents

One of Hoshino's latest patents is for a motor-driven compressor that features a housing with a compression portion for refrigerant. This innovative design includes a motor that drives the compression portion and a drive circuit for motor control. A unique connection member connects multiple coils of the motor to the drive circuit, eliminating the need for rolling and bundling electrical wires. This advancement allows for a reduction in the size of the motor-driven compressor.

Another notable patent is a circuit board unit designed for driving and controlling a motor that operates a compressor for air-conditioning systems. This unit consists of a first mounting base and a second mounting base, with a printed circuit board mounted on the latter. The first mounting base houses high voltage electrical elements and a heat sink for effective heat dissipation. The second mounting base contains additional high voltage elements and flat electrical conductors that form a specific wiring pattern. This design optimizes the electrical connections necessary for efficient motor control.

Career Highlights

Seiichi Hoshino is currently employed at Sanden Corporation, where he continues to innovate in the field of compressor technology. His work has significantly impacted the efficiency and functionality of air-conditioning systems.

Collaborations

Hoshino has collaborated with notable coworkers, including Hidemitsu Akabane and Toshimi Isobe. Their combined expertise has contributed to the development of advanced technologies in the compressor industry.

Conclusion

Seiichi Hoshino's contributions to motor-driven compressors exemplify his commitment to innovation and efficiency. His patents reflect a deep understanding of electrical engineering and design, making him a valuable asset in the field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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