Yukio Yokoyama

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Stringed instrument, manufacturing method and apparatus thereof
- Patent number 8,729,371
- Issue date May 20, 2014
- Tokyo Metropolitan Industrial Technology Research Institute
- Yukio Yokoyama
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Retroreflective sheet
- Patent number 6,520,651
- Issue date Feb 18, 2003
- Nippon Carbide Kogyo Kabushiki Kaisha
- Yukio Yokoyama
- B44 - DECORATIVE ARTS
Information Patent Grant
Process for preparing 2-phenyl-3-naphthylpropionic acid derivatives
- Patent number 6,515,142
- Issue date Feb 4, 2003
- Daiichi Pharmaceutical Co., Ltd.
- Yukio Yokoyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 3-(7-amidino-2-naphthyl)-2-phenylpropionic ac...
- Patent number 6,342,609
- Issue date Jan 29, 2002
- Daiichi Pharmaceutical Co., Ltd.
- Toru Makino
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 2-phenyl-3-naphthylpropionic acid derivatives
- Patent number 6,337,405
- Issue date Jan 8, 2002
- Daiichi Pharmaceutical Co., Ltd.
- Yukio Yokoyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 2-phenyl-3-naphthylpropionic acid derivatives
- Patent number 6,252,088
- Issue date Jun 26, 2001
- Daiichi Pharmaceutical Co., Ltd.
- Yukio Yokoyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic amidine derivatives and salts thereof
- Patent number 5,962,695
- Issue date Oct 5, 1999
- Daiichi Pharmaceutical Co., Ltd.
- Takayasu Nagahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic amidine derivatives and salts thereof
- Patent number 5,866,577
- Issue date Feb 2, 1999
- Daiichi Pharmaceutical Co., Ltd.
- Takayasu Nagahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic amidine derivatives and salts thereof
- Patent number 5,620,991
- Issue date Apr 15, 1997
- Daiichi Pharmaceutical Co., Ltd.
- Takayasu Nagahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic amidine derivatives and salts thereof
- Patent number 5,576,343
- Issue date Nov 19, 1996
- Daiichi Pharmaceutical Co., Ltd.
- Takayasu Nagahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Control circuit for autonomous counters of a plurality of CPU's or...
- Patent number 5,053,943
- Issue date Oct 1, 1991
- NEC Corporation
- Yukio Yokoyama
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Stringed Instrument, Manufacturing Method and Apparatus Thereof
- Publication number 20110162506
- Publication date Jul 7, 2011
- Yukio Yokoyama
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Process for preparing 2-phenyl-3-naphthylpropionic acid derivatives
- Publication number 20020062033
- Publication date May 23, 2002
- DAIICHI PHARMACEUTICAL CO., LTD.
- Yukio Yokoyama
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING 3-(7-AMIDINO-2-NAPHTHYL)-2-PHENYLPROPIONIC AC...
- Publication number 20010001802
- Publication date May 24, 2001
- TORU MAKINO
- C07 - ORGANIC CHEMISTRY

Yukio Yokoyama

Person

Patents Grantslast 30 patents

Stringed instrument, manufacturing method and apparatus thereof

Retroreflective sheet

Process for preparing 2-phenyl-3-naphthylpropionic acid derivatives

Process for preparing 3-(7-amidino-2-naphthyl)-2-phenylpropionic ac...

Process for preparing 2-phenyl-3-naphthylpropionic acid derivatives

Process for preparing 2-phenyl-3-naphthylpropionic acid derivatives

Aromatic amidine derivatives and salts thereof

Aromatic amidine derivatives and salts thereof

Aromatic amidine derivatives and salts thereof

Aromatic amidine derivatives and salts thereof

Control circuit for autonomous counters of a plurality of CPU's or...

Patents Applicationslast 30 patents

Stringed Instrument, Manufacturing Method and Apparatus Thereof

Process for preparing 2-phenyl-3-naphthylpropionic acid derivatives

PROCESS FOR PREPARING 3-(7-AMIDINO-2-NAPHTHYL)-2-PHENYLPROPIONIC AC...