Seiichiro Yokoyama

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
High frequency electronic part
- Patent number 7,754,970
- Issue date Jul 13, 2010
- Toyo Boseki Kabushiki Kaisha
- Yasushi Sasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Functional roll film and vacuum evaporation apparatus capable of pr...
- Patent number 7,666,490
- Issue date Feb 23, 2010
- Toyo Boseki Kabushiki Kaisha
- Kiyoshi Iseki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Infrared absorption filter
- Patent number RE39857
- Issue date Sep 25, 2007
- Toyo Boseki Kabushiki Kaisha
- Tetsuo Shimomura
- 359 - Optical: systems and elements
Information Patent Grant
Infrared absorption filter
- Patent number RE39858
- Issue date Sep 25, 2007
- Toyo Boseki Kabushiki Kaisha
- Tetsuo Shimomura
- 359 - Optical: systems and elements
Information Patent Grant
Transparent conductive film, transparent conductive sheet and touch...
- Patent number 6,603,085
- Issue date Aug 5, 2003
- Toyo Boseki Kabushiki Kaisha
- Toshiyuki Oya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Infrared absorption filter
- Patent number 6,542,292
- Issue date Apr 1, 2003
- Toyo Boseki Kabushiki Kaisha
- Shinya Onomichi
- G02 - OPTICS
Information Patent Grant
Infrared absorption filter
- Patent number 6,522,463
- Issue date Feb 18, 2003
- Toyo Boseki Kabushiki Kaisha
- Tetsuo Shimomura
- G02 - OPTICS
Information Patent Grant
Polyamide film and polyamide laminate film
- Patent number 6,376,093
- Issue date Apr 23, 2002
- Toyo Boseki Kabushiki Kaisha
- Shinji Fujita
- B32 - LAYERED PRODUCTS
Information Patent Grant
Gas barrier resin film
- Patent number 5,939,205
- Issue date Aug 17, 1999
- Toyo Boseki Kabushiki Kaisha
- Seiichiro Yokoyama
- B32 - LAYERED PRODUCTS
Information Patent Grant
Hydrogenated amorphous silicon film
- Patent number 4,839,701
- Issue date Jun 13, 1989
- Toyo Boseki Kabushiki Kaisha
- Osamu Imagawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
High Frequency Electronic Part
- Publication number 20090126970
- Publication date May 21, 2009
- TOYO BOSEKI KABUSHIKI KAISHA
- Yasushi Sasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Transparent conductive film, transparent conductive sheet and touch...
- Publication number 20010037935
- Publication date Nov 8, 2001
- Toshiyuki Oya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Infrared absorption filter
- Publication number 20010005278
- Publication date Jun 28, 2001
- Shinya Onomichi
- G02 - OPTICS

Seiichiro Yokoyama

Person

Patents Grantslast 30 patents

High frequency electronic part

Functional roll film and vacuum evaporation apparatus capable of pr...

Infrared absorption filter

Infrared absorption filter

Transparent conductive film, transparent conductive sheet and touch...

Infrared absorption filter

Infrared absorption filter

Polyamide film and polyamide laminate film

Gas barrier resin film

Hydrogenated amorphous silicon film

Patents Applicationslast 30 patents

High Frequency Electronic Part

Transparent conductive film, transparent conductive sheet and touch...

Infrared absorption filter