IDiyas

For the Inventor, By the Inventor

Hitachiota, Japan

Seiji Takeuchi

USPTO Granted Patents = 16

 

Average Co-Inventor Count = 4.8

ph-index = 10

Forward Citations = 380(Granted Patents)


Location History:

  • Hitachiota, JA (1978)
  • Hitachi, JA (1978)
  • Hitachiohta, JP (1979 - 1990)
  • Hitachioota, JP (2000 - 2007)
  • Hitachiota, JP (1979 - 2008)

Company Filing History:

goldMedal15 out of 42,485 
 
Hitachi, Ltd.
 patents
silverMedal1 out of 102 
 
Shin-kobe Electric Machinery Co., Ltd.
 patents
bronzeMedal1 out of 1,641 
 
Hitachi Chemical Company, Ltd.
 patents
4. 1 out of 832,680 
Other
 patents
where one patent can have more than one assignee

Years Active: 1978-2008

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16 patents (USPTO):Explore Patents
1. 7416814 - Lithium secondary battery, and process for producing the same (2008-08-26),
2. 7273681 - Non-aqueous secondary battery having negative electrode including graphite powder (2007-09-25),
3. 7083876 - Lead-acid battery (2006-08-01),
4. 6835215 - Non-aqueous secondary battery and a method of manufacturing graphite powder (2004-12-28),
5. 6638662 - Lithium secondary battery having oxide particles embedded in particles of carbonaceous material as a negative electrode-active material (2003-10-28),
6. 6524749 - Lithium secondary battery, and process for producing the same (2003-02-25),
7. 6383467 - Non-aqueous secondary battery and a method of manufacturing graphite powder (2002-05-07),
8. 6268086 - Non-aqueous secondary battery and a method of manufacturing graphite powder (2001-07-31),
9. 6083645 - Secondary battery using system and material for negative electrode of (2000-07-04),
10. 6030726 - Lithium secondary battery having negative electrode of carbon material (2000-02-29),
11. 4894355 - Flexible, water-repellent baked carbon plate, its production, fuel cell (1990-01-16),
12. 4810597 - Fuel cell comprising a device for detecting the concentration of methanol (1989-03-07),
13. 4178270 - Method for supporting hydrous metal oxide on carrier (1979-12-11),
14. 4133753 - Method of ion exchange chromatography (1979-01-09),
15. 4073725 - Method and apparatus for liquid chromatography under elevated pressure (1978-02-14),

Title: Seiji Takeuchi: Innovator in Lithium Battery Technology

Introduction

Seiji Takeuchi is a prominent inventor based in Hitachiota, Japan. He has made significant contributions to the field of lithium secondary batteries, holding a total of 16 patents. His work focuses on enhancing the performance and safety of battery technologies.

Latest Patents

Among his latest patents is a lithium secondary battery that features a positive electrode and a negative electrode containing a lithium ion-storable and dischargeable active material. This innovative battery design incorporates a non-aqueous electrolytic solution or polymer electrolyte, which results in distinguished charging and discharging characteristics. The negative electrode material is composed of particles that include carbonaceous materials and elements capable of forming compounds with lithium, ensuring higher safety and efficiency. Another notable patent involves a non-aqueous secondary battery that utilizes graphite powder as an active material for the negative electrode. This design aims to provide high energy density and excellent rapid charging and discharging characteristics.

Career Highlights

Seiji Takeuchi has worked with notable companies, including Hitachi, Ltd. His experience in the industry has allowed him to develop cutting-edge technologies that advance battery performance.

Collaborations

Throughout his career, Takeuchi has collaborated with esteemed colleagues such as Yasushi Muranaka and Tatsuo Horiba. Their combined expertise has contributed to the success of various projects in battery technology.

Conclusion

Seiji Takeuchi's innovative work in lithium battery technology has positioned him as a key figure in the field. His patents reflect a commitment to improving energy storage solutions, ensuring safety and efficiency in modern applications.

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