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For the Inventor, By the Inventor

Mito, Japan

Shigeki Komatsuzaki

This inventor holds 16 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Chemical Company, Ltd., Agency of Industrial Science and Technology. Active years: 1982-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeki Komatsuzaki. Retrieved from https://idiyas.com/inventor/shigeki-komatsuzaki

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

USPTO Granted Patents = 16

% Patents Active = 100.0

Average Co-Inventor Count = 5.3

ph-index = 7

Forward Citations = 149(Granted Patents)


Location History:

  • Ibaraki, JP (1991)
  • Mito, JP (1982 - 1998)

Company Filing History:

goldMedal15 out of 42,740 
 
Hitachi, Ltd.
 patents
silverMedal2 out of 1,641 
 
Hitachi Chemical Company, Ltd.
 patents
bronzeMedal1 out of 1,430 
 
Agency of Industrial Science and Technology
 patents
where one patent can have more than one assignee

Years Active: 1982-1998

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16 patents (USPTO):Explore Patents
1. 5830834 - Ammonium carboxylate type fluorine-containing compound, solid surface (1998-11-03),
2. 5549835 - Apparatus equipped with a cooling block unit having sliding parts and a (1996-08-27),
3. 5536578 - Magnetic recording medium comprising a protective layer and a layer of (1996-07-16),
4. 5252418 - Electrophotographic photoreceptor with protruding inorganic insulator (1993-10-12),
5. 5219651 - Magnetic recording apparatus comprising a magnetic recording medium and (1993-06-15),
6. 5204202 - Electrophotographic photosensitive element comprising a protective layer (1993-04-20),
7. 5157066 - Fluoroalkyl ether, surface modifying composition and method for (1992-10-20),
8. 5128435 - Magnetic recording medium based on epoxy resins modified by isocyanates (1992-07-07),
9. 5073466 - Electrophotographic member containing a fluorine-containing lubricating (1991-12-17),
10. 4990418 - Electrophotographic photoreceptor and method of producing the same (1991-02-05),
11. 4803000 - Lubricant for cold plastic working of aluminum alloys (1989-02-07),
12. 4657685 - Emulsion type liquid lubricant for metal forming, process for preparing (1987-04-14),
13. 4612128 - Lubricant for plastic working of metals (1986-09-16),
14. 4612127 - Lubricant for metal forming and process for metal forming (1986-09-16),
15. 4454052 - Liquid absorbent for absorption type refrigerator (1984-06-12),

Title: Shigeki Komatsuzaki: A Pioneer in Magnetic Recording Technology

Introduction

Shigeki Komatsuzaki is a notable inventor based in Mito, Japan. He has made significant contributions to the field of magnetic recording technology, holding a total of 16 patents. His innovative work has advanced the development of various electronic and electric appliances.

Latest Patents

Among his latest patents, Komatsuzaki has developed an ammonium carboxylate type fluorine-containing compound. This compound is utilized in the production of a magnetic recording medium, which involves coating a non-magnetic substrate with a magnetic substance layer and a protective layer. Additionally, he has disclosed an apparatus equipped with a cooling block unit that features sliding parts. This apparatus is designed to prevent the diffusion or separation of base oil, enhancing the efficiency of electronic appliances that utilize a joule heat generating source.

Career Highlights

Throughout his career, Shigeki Komatsuzaki has worked with prominent companies such as Hitachi, Ltd. and Hitachi Chemical Company, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in technology.

Collaborations

Komatsuzaki has collaborated with esteemed colleagues, including Takayuki Nakakawaji and Yutaka Ito. Their combined expertise has fostered advancements in their respective fields.

Conclusion

Shigeki Komatsuzaki's contributions to magnetic recording technology and his innovative patents have established him as a key figure in the industry. His work continues to influence the development of advanced electronic appliances.

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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