Akifumi Sakata

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Non-aqueous electrolyte secondary battery
- Patent number 6,083,644
- Issue date Jul 4, 2000
- Seiko Instruments Inc.
- Shunji Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Non-aqueous electrolyte secondary battery and method of producing t...
- Patent number RE35818
- Issue date Jun 2, 1998
- Seiko Instruments Inc.
- Kensuke Tahara
- 429 - Chemistry: electrical current producing apparatus, product, and process
Information Patent Grant
Non-aqueous electrolyte secondary battery
- Patent number 5,620,812
- Issue date Apr 15, 1997
- Seiko Instruments Inc.
- Kensuke Tahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Non-aqueous electrolyte secondary battery and method of producing t...
- Patent number 5,506,075
- Issue date Apr 9, 1996
- Seiko Instruments Inc.
- Fumiharu Iwasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Non-aqueous electrolyte secondary battery and method of producing t...
- Patent number 5,401,599
- Issue date Mar 28, 1995
- Seiko Instruments Inc.
- Kensuke Tahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Non-aqueous electrolyte secondary battery and its production method
- Patent number 5,395,711
- Issue date Mar 7, 1995
- Seiko Instruments Inc.
- Kensuke Tahara
- H01 - BASIC ELECTRIC ELEMENTS