IPPEI SAWAYAMA

Person

TOKYO, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrolytic etching method, method for producing photovoltaic elem...
- Patent number 6,491,808
- Issue date Dec 10, 2002
- Canon Kabushiki Kaisha
- Hirofumi Ichinose
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Offset printing method and offset printing apparatus
- Patent number 6,425,325
- Issue date Jul 30, 2002
- Canon Kabushiki Kaisha
- Yasuo Mukai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Photovoltaic device with improved collector electrode
- Patent number 6,214,636
- Issue date Apr 10, 2001
- Canon Kabushiki Kaisha
- Ippei Sawayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Welding process and photovoltaic device
- Patent number 6,114,185
- Issue date Sep 5, 2000
- Canon Kabushiki Kaisha
- Koji Tsuzuki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Etching apparatus
- Patent number 6,051,116
- Issue date Apr 18, 2000
- Canon Kabushiki Kaisha
- Hirofumi Ichinose
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Etching method and process for producing a semiconductor element us...
- Patent number 5,863,412
- Issue date Jan 26, 1999
- Canon Kabushiki Kaisha
- Hirofumi Ichinose
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Photovoltaic device with improved collector electrode
- Patent number 5,428,249
- Issue date Jun 27, 1995
- Canon Kabushiki Kaisha
- Ippei Sawayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vibration wave motor
- Patent number 4,926,085
- Issue date May 15, 1990
- Canon Kabushiki Kaisha
- Ippei Sawayama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Sheet coil
- Patent number 4,709,221
- Issue date Nov 24, 1987
- Canon Kabushiki Kaisha
- Susumu Kadokura
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ELECTROLYTIC ETCHING METHOD, METHOD FOR PRODUCING PHOTOVOLTAIC ELEM...
- Publication number 20010007306
- Publication date Jul 12, 2001
- HIROFUMI ICHINOSE
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

IPPEI SAWAYAMA

Person

Patents Grantslast 30 patents

Electrolytic etching method, method for producing photovoltaic elem...

Offset printing method and offset printing apparatus

Photovoltaic device with improved collector electrode

Welding process and photovoltaic device

Etching apparatus

Etching method and process for producing a semiconductor element us...

Photovoltaic device with improved collector electrode

Vibration wave motor

Sheet coil

Patents Applicationslast 30 patents

ELECTROLYTIC ETCHING METHOD, METHOD FOR PRODUCING PHOTOVOLTAIC ELEM...