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For the Inventor, By the Inventor

Konan, Japan

Yutaka Ishizuka

This inventor holds 26 USPTO granted patents, primarily in Compressor Technology. Top assignee: Diesel Kiki Co., Ltd.. Active years: 1976-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yutaka Ishizuka. Retrieved from https://idiyas.com/inventor/yutaka-ishizuka

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

USPTO Granted Patents = 26

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 7

Forward Citations = 164(Granted Patents)


Location History:

  • Higashimatsuyama, JA (1976)
  • Higashi-Matsuyama, JP (1981)
  • Saitama, JP (1984 - 1989)
  • Konan, JP (1979 - 1990)

Company Filing History:

goldMedal26 out of 596 
 
Diesel Kiki Co., Ltd.
 patents

Years Active: 1976-1990

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Areas of Expertise:
Cooling Device
Vane Compressor
Air Conditioning
Swash-Plate Compressor
Capacity Modulation
Discharge Valve
Rotary Compressor
Oil Separation
Indoor Unit
Diffuser Unit
Lubricant Oil Feeding
Compression Control
26 patents (USPTO):Explore Patents
1. 4968160 - Cooling device for printer head (1990-11-06),
2. 4828019 - Indoor unit for room air conditioners and air conditioning system using (1989-05-09),
3. 4815362 - Diffuser unit for air conditioning system (1989-03-28),
4. 4810177 - Vane compressor with vane back pressure adjustment (1989-03-07),
5. 4805418 - Indoor unit for room air conditioners (1989-02-21),
6. 4717321 - Vane compressor with vane back pressure adjustment (1988-01-05),
7. 4668172 - Compressor having discharge valve means adapted to enhance the (1987-05-26),
8. 4636153 - Rotary compressor with blind hole in end wall that aligns with back (1987-01-13),
9. 4611977 - Vane compressor with vane back pressure adjustment (1986-09-16),
10. 4571164 - Vane compressor with vane back pressure adjustment (1986-02-18),
11. 4549855 - Compression capacity control apparatus for swash plate compressor (1985-10-29),
12. 4511313 - Compression capacity control apparatus for swash plate compressor (1985-04-16),
13. 4502854 - Vane compressor having rearwardly located suction connector and (1985-03-05),
14. 4501537 - Vane compressor having an endless camming surface minimizing torque (1985-02-26),
15. 4480973 - Vane compressor provided with endless camming surface minimizing torque (1984-11-06),

Title: Yutaka Ishizuka: Pioneering Inventor from Konan

Introduction: Yutaka Ishizuka is a renowned inventor hailing from Konan, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Yutaka Ishizuka holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Ishizuka has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs.

Collaborations: Throughout his career, Yutaka Ishizuka has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Yutaka Ishizuka's relentless pursuit of innovation and his passion for creating cutting-edge technologies have solidified his position as a trailblazer in the world of inventors, inspiring future generations to push the limits of what is possible in the realm of technology.

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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