logo

For the Inventor, By the Inventor

Ushiku, Japan

Isamu Tsubono

This inventor holds 22 USPTO granted patents and 1 published patent application. Top assignees: Hitachi, Ltd., Hitachi Appliances, Inc, Hitachi Home and Life Solutions, Inc.. Active years: 1989-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isamu Tsubono. Retrieved from https://idiyas.com/inventor/isamu-tsubono

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

USPTO Granted Patents = 22 

% Patents Active = 63.6

Average Co-Inventor Count = 5.0

ph-index = 9

Forward Citations = 421(Granted Patents)


Location History:

  • Yokohama, JP (1989)
  • Chiyodamachi, JP (1994)
  • Tochigi-ken, JP (1998 - 2001)
  • Chiyoda, JP (2002)
  • Ibaraki-ken, JP (2001 - 2006)
  • Chiyoda-ku, JP (2010)
  • Ushiku, JP (2003 - 2014)

Company Filing History:

goldMedal19 out of 42,726 
 
Hitachi, Ltd.
 patents
silverMedal1 out of 48 
 
Hitachi Appliances, Inc
 patents
bronzeMedal1 out of 8 
 
Hitachi Home and Life Solutions, Inc.
 patents
4. 1 out of 1 
 
Hitachi, Ltd., Trustee for Benefit of Air Conditiong Systems Co., Ltd.
 patent

Years Active: 1989-2014

Loading Chart...
22 patents (USPTO):Explore Patents
1. 8888475 - Scroll compressor with oil supply across a sealing part (2014-11-18),
2. 8581527 - Mechanism for converting rotary motion into linear motion and lifting device (2013-11-12),
3. 8573088 - Mechanism for converting rotational motion to linear motion (2013-11-05),
4. 8567279 - Mechanism for converting rotary motion into linear motion (2013-10-29),
5. 8011264 - Mechanism for converting rotary motion into linear motion (2011-09-06),
6. 7722342 - Pump apparatus and power steering (2010-05-25),
7. 7648003 - Power steering system (2010-01-19),
8. 7354259 - Scroll compressor having a valved back pressure chamber and a bypass for overcompression (2008-04-08),
9. 7137796 - Scroll compressor (2006-11-21),
10. 7118358 - Scroll compressor having a back-pressure chamber control valve (2006-10-10),
11. 7074023 - Scroll compressor (2006-07-11),
12. 7021912 - Scroll fluid machine (2006-04-04),
13. 6769888 - Scroll compressor having a valved back pressure chamber and a bypass for overcompression (2004-08-03),
14. 6637550 - Displacement type fluid machine (2003-10-28),
15. 6589035 - Scroll compressor having a valved back-pressure chamber and a bypass for over-compression (2003-07-08),

Title: Inventor Isamu Tsubono: Revolutionizing Technology in Ushiku

Introduction: Isamu Tsubono is a visionary inventor based in Ushiku, Japan, known for his groundbreaking contributions to the field of technology and innovation.

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

Career Highlights: With a career spanning over two decades, Isamu Tsubono has worked with leading research institutions and tech companies to develop cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Isamu Tsubono has collaborated with top engineers, scientists, and researchers from around the world, fostering a culture of innovation and excellence in all his projects.

Conclusion: Isamu Tsubono's relentless pursuit of innovation and his passion for creating technology that improves lives make him a true pioneer in the field of inventing.

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]
Loading…