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For the Inventor, By the Inventor

Tsuchiura, Japan

Kazuo Fujishima

This inventor holds 32 USPTO granted patents and 3 published patent applications and 7 EPO patents, primarily in Construction Machinery. Top assignee: Hitachi Construction Machinery Co., Ltd.. Active years: 1993-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuo Fujishima. Retrieved from https://idiyas.com/inventor/kazuo-fujishima

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

USPTO Granted Patents = 32 

% Patents Active = 71.9

 

Average Co-Inventor Count = 3.7

ph-index = 16

Forward Citations = 606(Granted Patents)


Location History:

  • Ibaraki, JP (1993)
  • Niihara-gun, JP (1999)
  • Ibaraki-ken, JP (1997 - 2009)
  • Niihari-gun, JP (1998 - 2010)
  • Kasumigaura, JP (2012 - 2016)
  • Tsuchiura, JP (2014 - 2023)

Company Filing History:

goldMedal32 out of 1,508 
 
Hitachi Construction Machinery Co., Ltd.
 patents

Years Active: 1993-2023

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Areas of Expertise:
Inspection Support System
Hybrid Construction Machine
Power Regeneration Device
Control Device
Excavation Teaching Apparatus
Hydraulic Circuit Control
Remote Control System
Double-Arm Working Machine
Position Measuring System
Slope Excavation Controller
Area Limiting Control
Display Device
32 patents (USPTO):Explore Patents
1. 11640425 - Inspection support system for construction machine, management server, and inspection report creation system (2023-05-02),
2. 9863124 - Construction machinery (2018-01-09),
3. 9816252 - Hydraulic work machine (2017-11-14),
4. 9421873 - Construction machine (2016-08-23),
5. 9399856 - Hydraulic working machine (2016-07-26),
6. 9284718 - Power regeneration device for operating machine (2016-03-15),
7. 9212469 - Work machine (2015-12-15),
8. 8938338 - System for controlling construction machine (2015-01-20),
9. 8924100 - Hybrid construction machine (2014-12-30),
10. 8874327 - Control device for hybrid construction machinery (2014-10-28),
11. 8659177 - Motive power regeneration system for working machine (2014-02-25),
12. 8204655 - Construction machine (2012-06-19),
13. 8137047 - Double-arm working machine (2012-03-20),
14. 7831362 - Position measuring system for working machine (2010-11-09),
15. 7532967 - Excavation teaching apparatus for construction machine (2009-05-12),

Title: Kazuo Fujishima: Pioneering Inventor from Tsuchiura, Japan

Introduction: Kazuo Fujishima is a renowned inventor hailing from Tsuchiura, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Kazuo Fujishima holds several patents in the areas of electronics, robotics, and renewable energy, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over three decades, Kazuo Fujishima has worked with leading research institutions and companies, playing a pivotal role in the development of cutting-edge technologies that have revolutionized various industries.

Collaborations: Throughout his career, Kazuo Fujishima has collaborated with top engineers, scientists, and inventors from around the world, fostering a culture of innovation and knowledge exchange that has led to the creation of groundbreaking solutions.

Conclusion: Kazuo Fujishima's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a trailblazer in the world of technology, inspiring future generations of inventors to push the boundaries of what is possible.

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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