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For the Inventor, By the Inventor

Hirakata, Japan

Hiroyuki Murai

This inventor holds 10 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1993-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Murai. Retrieved from https://idiyas.com/inventor/hiroyuki-murai-pgkxtjlw

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 4.9

ph-index = 7

Forward Citations = 213(Granted Patents)


Location History:

  • Hirakata, JP (1993 - 2004)
  • Osaka, JP (1996 - 2004)

Company Filing History:

goldMedal10 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents

Years Active: 1993-2004

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10 patents (USPTO):Explore Patents
1. 6787266 - Battery plate and battery (2004-09-07),
2. 6723472 - Lithium secondary battery (2004-04-20),
3. 5580538 - Process for producing a negative electrode for a storage battery with a (1996-12-03),
4. 5490320 - Method of making a positive electrode for lithium secondary battery (1996-02-13),
5. 5474861 - Electrode for non-aqueous electrolyte secondary battery (1995-12-12),
6. 5370948 - Process for production of positive electrode active material for (1994-12-06),
7. 5316875 - Secondary battery with nonaqueous electrolyte and method of (1994-05-31),
8. 5296319 - Non-aqueous electrolyte secondary battery (1994-03-22),
9. 5262255 - Negative electrode for non-aqueous electrolyte secondary battery (1993-11-16),
10. 5229226 - Nonaqueous electrolyte secondary battery with boron tricarbide or (1993-07-20),

Title: Hiroyuki Murai: Innovator in Battery Technology

Introduction

Hiroyuki Murai is a prominent inventor based in Hirakata, Japan. He has made significant contributions to the field of battery technology, holding a total of 10 patents. His work focuses on enhancing the performance and longevity of batteries, which is crucial in today's technology-driven world.

Latest Patents

Murai's latest patents include innovative designs aimed at improving battery efficiency. One notable patent is for a battery plate and battery that incorporates measures to suppress the reduction in charge/discharge capacity and degradation of load characteristics. This is achieved by preventing the peeling of active material off the current collector during repeated charging and discharging. The use of boehmite treatment or chromate treatment on the current collector surface of the electrode plate significantly enhances the battery's performance. Another important patent involves lithium secondary batteries that exhibit excellent high-rate characteristics and low-temperature performance. These batteries utilize LiCoO mixed with CaO or CrO as an active material for the positive electrode, combined with a non-aqueous electrolyte containing a mixed electrolyte salt.

Career Highlights

Hiroyuki Murai is associated with Matsushita Electric Industrial Co., Ltd., a company known for its commitment to innovation in electronics and energy solutions. His work has been instrumental in advancing battery technology, making it more efficient and reliable for various applications.

Collaborations

Murai has collaborated with notable colleagues such as Masaki Hasegawa and Shuji Ito. Their combined expertise has contributed to the successful development of cutting-edge battery technologies.

Conclusion

Hiroyuki Murai's contributions to battery technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of more efficient and reliable energy storage solutions.

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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