Kazuhiro Yokoyama

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
2-acylaminothiazole derivative or salt thereof
- Patent number RE49111
- Issue date Jun 21, 2022
- Astellas Pharma Inc.
- Taisuke Takahashi
Information Patent Grant
2-acylaminothiazole derivative or salt thereof
- Patent number 9,951,060
- Issue date Apr 24, 2018
- Astellas Pharma Inc.
- Taisuke Takahashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Indole compound
- Patent number 9,637,451
- Issue date May 2, 2017
- Shunichiro Matsumoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-acylaminothiazole derivative or salt thereof
- Patent number 9,562,044
- Issue date Feb 7, 2017
- Astellas Pharma Inc.
- Taisuke Takahashi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Quinolone derivative
- Patent number 8,367,702
- Issue date Feb 5, 2013
- Astellas Pharma Inc.
- Kenichi Onda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-substituted tetrahydroisoquinoline compound
- Patent number 8,263,607
- Issue date Sep 11, 2012
- Astellas Pharma Inc.
- Jun-ichi Shishikura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of installing sand core for casting in mold and sand core fo...
- Patent number 7,793,704
- Issue date Sep 14, 2010
- Honda Motor Co., Ltd.
- Kenichi Maeyama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Acylaminopiperidine compound
- Patent number 7,790,884
- Issue date Sep 7, 2010
- Astellas Pharma Inc.
- Toru Kontani
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Key switch and keyboard input device using the same
- Patent number 7,094,984
- Issue date Aug 22, 2006
- Alps Electric Co., Ltd.
- Kazuhiro Yokoyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Keyboard apparatus the operation side of which can be illuminated
- Patent number 6,284,988
- Issue date Sep 4, 2001
- Alps Electric Co., Ltd.
- Kazutoshi Watanabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Thin keyboard apparatus
- Patent number 6,225,586
- Issue date May 1, 2001
- Alps Electric Co., Ltd.
- Kazutoshi Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thin keyboard
- Patent number 6,087,604
- Issue date Jul 11, 2000
- Alps Electric Co., Ltd.
- Seiichi Suga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dampening water feed roller for planographic printing press
- Patent number 4,991,501
- Issue date Feb 12, 1991
- Nippon Steel Corporation
- Kazuhiro Yokoyama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Keyboard key top mounting structure
- Patent number 4,771,146
- Issue date Sep 13, 1988
- Alps Electric Co., Ltd.
- Hideki Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for classification of coals for coke production
- Patent number 4,391,702
- Issue date Jul 5, 1983
- Nippon Steel Corporation
- Shozo Murakami
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Method for classification of coals for coke production
- Patent number 4,310,412
- Issue date Jan 12, 1982
- Nippon Steel Corporation
- Syozo Murakami
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING

Patents Applicationslast 30 patents

Information Patent Application
2-ACYLAMINOTHIAZOLE DERIVATIVE OR SALT THEREOF
- Publication number 20170197955
- Publication date Jul 13, 2017
- Astellas Pharma Inc.
- Taisuke TAKAHASHI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
INDOLE COMPOUND
- Publication number 20160332966
- Publication date Nov 17, 2016
- Astellas Pharma Inc.
- Shunichiro MATSUMOTO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
2-ACYLAMINOTHIAZOLE DERIVATIVE OR SALT THEREOF
- Publication number 20160002218
- Publication date Jan 7, 2016
- ASTELLAS PHARMA INC.
- Taisuke TAKAHASHI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
QUINOLONE DERIVATIVE
- Publication number 20100256113
- Publication date Oct 7, 2010
- Astellas Pharma Inc.
- Kenichi Onda
- C07 - ORGANIC CHEMISTRY
Information Patent Application
1-SUBSTITUTED TETRAHYDROISOQUINOLINE COMPOUND
- Publication number 20100168154
- Publication date Jul 1, 2010
- Astellas Pharma Inc.
- Jun-Ichi Shishikura
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method of Installing Sand Core for Casting in Mold and Sand Core fo...
- Publication number 20090139680
- Publication date Jun 4, 2009
- HONDA MOTOR CO., LTD.
- Kenichi Maeyama
- B22 - CASTING POWDER METALLURGY
Information Patent Application
ACYLAMINOPIPERIDINE COMPOUND
- Publication number 20090131666
- Publication date May 21, 2009
- Astellas Pharma Inc.
- Toru Kontani
- C07 - ORGANIC CHEMISTRY
Information Patent Application
2-Aminopyrimidine Derivative
- Publication number 20070265289
- Publication date Nov 15, 2007
- Yoshinori Okamoto
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Key switch and keyboard input device using the same
- Publication number 20050260023
- Publication date Nov 24, 2005
- Alps Electric Co., Ltd.
- Kazuhiro Yokoyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
THIN KEYBOARD
- Publication number 20010001628
- Publication date May 24, 2001
- KAZUTOSHI WATANABE
- G06 - COMPUTING CALCULATING COUNTING

Kazuhiro Yokoyama

Person

Patents Grantslast 30 patents

2-acylaminothiazole derivative or salt thereof

2-acylaminothiazole derivative or salt thereof

Indole compound

2-acylaminothiazole derivative or salt thereof

Quinolone derivative

1-substituted tetrahydroisoquinoline compound

Method of installing sand core for casting in mold and sand core fo...

Acylaminopiperidine compound

Key switch and keyboard input device using the same

Keyboard apparatus the operation side of which can be illuminated

Thin keyboard apparatus

Thin keyboard

Dampening water feed roller for planographic printing press

Keyboard key top mounting structure

Method for classification of coals for coke production

Method for classification of coals for coke production

Patents Applicationslast 30 patents

2-ACYLAMINOTHIAZOLE DERIVATIVE OR SALT THEREOF

INDOLE COMPOUND

2-ACYLAMINOTHIAZOLE DERIVATIVE OR SALT THEREOF

QUINOLONE DERIVATIVE

1-SUBSTITUTED TETRAHYDROISOQUINOLINE COMPOUND

Method of Installing Sand Core for Casting in Mold and Sand Core fo...

ACYLAMINOPIPERIDINE COMPOUND

2-Aminopyrimidine Derivative

Key switch and keyboard input device using the same

THIN KEYBOARD