Kiyoko Yokoyama

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Nagoya-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Alertness device, seat, and method for determining alertness
- Patent number 10,098,578
- Issue date Oct 16, 2018
- TS Tech Co., Ltd.
- Shinji Sugiyama
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Wakefulness-maintenance apparatus
- Patent number 9,815,384
- Issue date Nov 14, 2017
- TS Tech Co., Ltd.
- Shinji Sugiyama
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Alertness device, seat, and method for determining alertness
- Patent number 9,693,726
- Issue date Jul 4, 2017
- TS Tech Co., Ltd.
- Shinji Sugiyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
ALERTNESS DEVICE, SEAT, AND METHOD FOR DETERMINING ALERTNESS
- Publication number 20160256096
- Publication date Sep 8, 2016
- TS Tech Co., Ltd.
- Shinji Sugiyama
- B60 - VEHICLES IN GENERAL
Information Patent Application
ALERTNESS DEVICE, SEAT, AND METHOD FOR DETERMINING ALERTNESS
- Publication number 20160249843
- Publication date Sep 1, 2016
- TS Tech Co., Ltd.
- Shinji Sugiyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
WAKEFULNESS-MAINTENANCE APPARATUS
- Publication number 20150202991
- Publication date Jul 23, 2015
- TS Tech Co., Ltd.
- Shinji Sugiyama
- B60 - VEHICLES IN GENERAL