Takayuki Ishii

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Acoustic conversion device and acoustic conversion device assembly...
- Patent number 8,948,439
- Issue date Feb 3, 2015
- Sony Corporation
- Tsutomu Nagumo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Acoustic conversion device
- Patent number 8,634,587
- Issue date Jan 21, 2014
- Sony Corporation
- Tsutomu Nagumo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Acoustic conversion device and acoustic conversion device assembly...
- Patent number 8,630,439
- Issue date Jan 14, 2014
- Sony Corporation
- Tsutomu Nagumo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Acoustic conversion device
- Patent number 8,588,456
- Issue date Nov 19, 2013
- Sony Corporation
- Tsutomu Nagumo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for preparing a sample for a transmission electron microscope
- Patent number 6,403,958
- Issue date Jun 11, 2002
- Seiko Instruments Inc.
- Shoji Sudayama
- G01 - MEASURING TESTING
Information Patent Grant
Capstan motor and sheet metal bearing housing thereof
- Patent number 5,499,753
- Issue date Mar 19, 1996
- Sony Corporation
- Shigeki Yamazaki
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method for printing on synthetic resin molded body and headphone ho...
- Patent number 5,227,099
- Issue date Jul 13, 1993
- Sony Corporation
- Yoshiyuki Kamon
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for printing on synthetic resin molded body and headphone ho...
- Patent number 5,224,171
- Issue date Jun 29, 1993
- Sony Corporation
- Yoshiyuki Kamon
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of winding double-layer motor coils
- Patent number 4,635,457
- Issue date Jan 13, 1987
- Sony Corporation
- Takayuki Ishii
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
ACOUSTIC CONVERSION DEVICE AND ACOUSTIC CONVERSION DEVICE ASSEMBLY...
- Publication number 20110311088
- Publication date Dec 22, 2011
- SONY CORPORATION
- Tsutomu Nagumo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ACOUSTIC CONVERSION DEVICE
- Publication number 20110311091
- Publication date Dec 22, 2011
- SONY CORPORATION
- Tsutomu Nagumo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ACOUSTIC CONVERSION DEVICE
- Publication number 20110311090
- Publication date Dec 22, 2011
- SONY CORPORATION
- Tsutomu Nagumo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ACOUSTIC CONVERSION DEVICE AND ACOUSTIC CONVERSION DEVICE ASSEMBLY...
- Publication number 20110311089
- Publication date Dec 22, 2011
- SONY CORPORATION
- Tsutomu Nagumo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Takayuki Ishii

Person

Patents Grantslast 30 patents

Acoustic conversion device and acoustic conversion device assembly...

Acoustic conversion device

Acoustic conversion device and acoustic conversion device assembly...

Acoustic conversion device

Method for preparing a sample for a transmission electron microscope

Capstan motor and sheet metal bearing housing thereof

Method for printing on synthetic resin molded body and headphone ho...

Method for printing on synthetic resin molded body and headphone ho...

Method of winding double-layer motor coils

Patents Applicationslast 30 patents

ACOUSTIC CONVERSION DEVICE AND ACOUSTIC CONVERSION DEVICE ASSEMBLY...

ACOUSTIC CONVERSION DEVICE

ACOUSTIC CONVERSION DEVICE

ACOUSTIC CONVERSION DEVICE AND ACOUSTIC CONVERSION DEVICE ASSEMBLY...