Toshiyuki Ohsawa

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ionic conductive polymer gel and lithium-ion battery using the same
- Patent number 6,013,393
- Issue date Jan 11, 2000
- Ricoh Company, Ltd.
- Masahiro Taniuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ionically conductive polymeric gel electrolyte and solid battery co...
- Patent number 5,925,283
- Issue date Jul 20, 1999
- Mitsui Chemicals, Inc.
- Masahiro Taniuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Negative electrode for lithium secondary battery and lithium second...
- Patent number 5,900,336
- Issue date May 4, 1999
- Ricoh Company, Ltd.
- Toshiyuki Kabata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Non-aqueous secondary lithium battery
- Patent number 5,885,733
- Issue date Mar 23, 1999
- Ricoh Company, Ltd.
- Toshiyuki Ohsawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Second battery comprising a gel polymer solid electrolyte and a cop...
- Patent number 5,783,331
- Issue date Jul 21, 1998
- Ricoh Company, Ltd.
- Tomohiro Inoue
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Composite sheet electrode
- Patent number 5,489,492
- Issue date Feb 6, 1996
- Unitika Ltd.
- Keiichi Asami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Positive electrode and secondary battery using the same
- Patent number 5,437,943
- Issue date Aug 1, 1995
- Ricoh Company, Ltd.
- Toshishige Fujii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Non-aqueous secondary liquid battery
- Patent number 5,436,092
- Issue date Jul 25, 1995
- Ricoh Company, Ltd.
- Kiyoto Ohtsuka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Carbonaceous material and a cell using the same
- Patent number 5,348,818
- Issue date Sep 20, 1994
- Unitika Ltd.
- Keiichi Asami
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Electrode and method of producing the same
- Patent number 5,225,296
- Issue date Jul 6, 1993
- Ricoh Company, Ltd.
- Toshiyuki Ohsawa
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Solid electrolyte, electrochemical device including the same and me...
- Patent number 5,223,353
- Issue date Jun 29, 1993
- Ricoh Company, Ltd.
- Toshiyuki Ohsawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Negative electrode for secondary battery
- Patent number 5,162,178
- Issue date Nov 10, 1992
- Ricoh Company, Ltd.
- Toshiyuki Ohsawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of producing a negative electrode for a secondary battery
- Patent number 5,100,437
- Issue date Mar 31, 1992
- Ricoh Company, Ltd.
- Masaki Yoshino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Organic secondary battery
- Patent number 5,089,359
- Issue date Feb 18, 1992
- Ricoh Company, Ltd.
- Toshiyuki Ohsawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Negative electrode for secondary battery
- Patent number 5,077,152
- Issue date Dec 31, 1991
- Ricoh Company, Ltd.
- Masaki Yoshino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Secondary battery
- Patent number 5,037,713
- Issue date Aug 6, 1991
- Ricoh Company, Ltd.
- Masaki Yoshino
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrochemical device
- Patent number 5,011,751
- Issue date Apr 30, 1991
- Ricoh Company, Ltd.
- Sachiko Yoneyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Sheet-shaped electrode, method or producing the same, and secondary...
- Patent number 4,999,263
- Issue date Mar 12, 1991
- Ricoh Company, Ltd.
- Toshiyuki Kabata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sheet-shaped electrode, method of producing the same, and secondary...
- Patent number 4,948,685
- Issue date Aug 14, 1990
- Ricoh Company, Ltd.
- Toshiyuki Ohsawa
- G02 - OPTICS
Information Patent Grant
Organic secondary battery
- Patent number 4,935,319
- Issue date Jun 19, 1990
- Ricoh Company, Ltd.
- Toshiyuki Ohsawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Composite electrode comprising a bonded body of aluminum and electr...
- Patent number 4,886,572
- Issue date Dec 12, 1989
- Ricoh Company, Ltd.
- Okitoshi Kimura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductive or conductive polymers, method of producing the same...
- Patent number 4,837,096
- Issue date Jun 6, 1989
- Ricoh Company, Ltd.
- Okitoshi Kimura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polypyrrole film and method of producing the same
- Patent number 4,818,646
- Issue date Apr 4, 1989
- Ricoh Company, Ltd.
- Masaaki Takakubo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electromagnetic shielding material
- Patent number 4,804,568
- Issue date Feb 14, 1989
- Ricoh Company, Ltd.
- Toshiyuki Ohsawa
- H01 - BASIC ELECTRIC ELEMENTS

Toshiyuki Ohsawa

Person

Patents Grantslast 30 patents

Ionic conductive polymer gel and lithium-ion battery using the same

Ionically conductive polymeric gel electrolyte and solid battery co...

Negative electrode for lithium secondary battery and lithium second...

Non-aqueous secondary lithium battery

Second battery comprising a gel polymer solid electrolyte and a cop...

Composite sheet electrode

Positive electrode and secondary battery using the same

Non-aqueous secondary liquid battery

Carbonaceous material and a cell using the same

Electrode and method of producing the same

Solid electrolyte, electrochemical device including the same and me...

Negative electrode for secondary battery

Method of producing a negative electrode for a secondary battery

Organic secondary battery

Negative electrode for secondary battery

Secondary battery

Electrochemical device

Sheet-shaped electrode, method or producing the same, and secondary...

Sheet-shaped electrode, method of producing the same, and secondary...

Organic secondary battery

Composite electrode comprising a bonded body of aluminum and electr...

Semiconductive or conductive polymers, method of producing the same...

Polypyrrole film and method of producing the same

Electromagnetic shielding material