logo

For the Inventor, By the Inventor

Fukushima, Japan

Takayuki Yamahira

This inventor holds 10 USPTO granted patents, plus 1 CIPO patent. Top assignees: Sony Corporation, Other. Active years: 1991-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takayuki Yamahira. Retrieved from https://idiyas.com/inventor/takayuki-yamahira

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

Calculating rank
USPTO Granted Patents = 10

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.4

ph-index = 8

Forward Citations = 194(Granted Patents)


Company Filing History:

goldMedal9 out of 58,148 
 
Sony Corporation
 patents
silverMedal1 out of 834,601 
Other
 patents

Years Active: 1991-2011

Loading Chart...
Loading Chart...
10 patents (USPTO):Explore Patents
1. 7989105 - Battery pack (2011-08-02),
2. 7556885 - Battery pack (2009-07-07),
3. 6746799 - Lithium phosphate composite positive electrode and non-aqueous electrolyte cell (2004-06-08),
4. 6746798 - Rectangular and sealed battery (2004-06-08),
5. 6355372 - Non-aqueous electrolyte secondary cell (2002-03-12),
6. 6174625 - Anode material, method for producing it and nonaqueous electrolyte cell employing such anode materials (2001-01-16),
7. 5709969 - Non-aqueous electrolyte secondary cell (1998-01-20),
8. 5601950 - Non-aqueous electrolyte secondary cell (1997-02-11),
9. 5273842 - Non-aqueous electrolyte secondary battery (1993-12-28),
10. 5053297 - Nonaqueous electrolyte secondary battery (1991-10-01),

Title: Takayuki Yamahira: Innovator in Battery Technology

Introduction

Takayuki Yamahira is a prominent inventor based in Fukushima, Japan. He has made significant contributions to the field of battery technology, holding a total of 10 patents. His innovative designs focus on enhancing the efficiency and functionality of battery packs.

Latest Patents

One of his latest patents involves a battery pack that features a box-shaped or plate-shaped design. This battery pack includes a hard outer jacket member, a cover molded from resin, and a circuit board connected to electrode terminal leads. The design allows for improved volumetric efficiency without the need for a resin mold case. Another notable patent describes a battery pack that utilizes a first laminate material with a concave portion to contain the battery element, ensuring strength and durability.

Career Highlights

Throughout his career, Takayuki Yamahira has worked with notable companies, including Sony Corporation. His experience in the industry has allowed him to develop cutting-edge technologies that address the growing demands for efficient energy storage solutions.

Collaborations

He has collaborated with talented individuals such as Fumihiko Suzuki and Hiroyuki Yamada, contributing to the advancement of battery technology through teamwork and shared expertise.

Conclusion

Takayuki Yamahira's innovative work in battery technology has positioned him as a key figure in the field. His patents reflect a commitment to improving energy storage solutions, making a lasting impact on the industry.

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…