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For the Inventor, By the Inventor

Hitachi, Japan

Masahiko Ishida

This inventor holds 24 USPTO granted patents, primarily in Waste Treatment Technology. Top assignees: Hitachi, Ltd., Agency of Industrial Science and Technology, Hitachi Engineering Co., Ltd.. Active years: 1978-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiko Ishida. Retrieved from https://idiyas.com/inventor/masahiko-ishida

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

USPTO Granted Patents = 24

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 12

Forward Citations = 460(Granted Patents)


Location History:

  • Hitachi, JA (1978)
  • Hitachi, JP (1979 - 1998)

Company Filing History:

goldMedal17 out of 42,731 
 
Hitachi, Ltd.
 patents
silverMedal7 out of 1,430 
 
Agency of Industrial Science and Technology
 patents
bronzeMedal1 out of 162 
 
Hitachi Engineering Co., Ltd.
 patents
4. 1 out of 57 
 
Hitachi Plant Engineering Construction Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1978-1998

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Areas of Expertise:
Anaerobic Digestion
Waste Treatment
Cell Separation
Enzyme Immobilization
Biochemical Waste
Water Contamination
Organic Waste
Cell Culture
24 patents (USPTO):Explore Patents
1. 5753498 - Garbage treating apparatus (1998-05-19),
2. 5264131 - Oxygen-dissolving process and an apparatus for practicing the process (1993-11-23),
3. 5227066 - Apparatus for separating living cells (1993-07-13),
4. 5202250 - Method for isolation and purification of amylases, and adsorbents used (1993-04-13),
5. 5166067 - Culturing method, system and apparatus for cell culture (1992-11-24),
6. 5162204 - Apparatus and method of culturing and diagnosis of animal cells using (1992-11-10),
7. 5030361 - Method of separating living cells (1991-07-09),
8. 4888703 - Apparatus for monitoring the toxicant contamination of water by using (1989-12-19),
9. 4888285 - Enzyme immobilization on a water-insoluble amino group-containing carrier (1989-12-19),
10. 4861383 - Process for recovering subterranean stem starch and protein (1989-08-29),
11. 4778760 - Thermostable .alpha.-amylase-producing, thermophilic anaerobic bacteria, (1988-10-18),
12. 4734365 - Process for liquefying starch (1988-03-29),
13. 4522721 - Treating process of organic wastes (1985-06-11),
14. 4510243 - Anaerobic digestion process of wastes containing cellulose (1985-04-09),
15. 4491522 - Anaerobic digestion process for organic wastes (1985-01-01),

Title: Masahiko Ishida - Pioneering Inventor from Hitachi, JP

Introduction: Masahiko Ishida is a renowned inventor hailing from Hitachi, Japan, known for his groundbreaking contributions to the field of technology and innovation.

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

Career Highlights: With a career spanning over two decades, Masahiko Ishida has worked with leading tech companies, including Hitachi, where he played a pivotal role in developing cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Masahiko Ishida has collaborated with top researchers, engineers, and scientists from around the world, fostering a culture of innovation and knowledge sharing that has led to numerous breakthrough inventions.

Conclusion: Masahiko Ishida's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor, shaping the future of technology and inspiring generations to come.

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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