FirstFourNotes,LLC

Using the latest technologies , create more fun and happy scene
for "people who play music" and "people who listen to music"

Using the latest technologies
create more fun and happy scene
for "people who play music" and
"people who listen to music"

FirstFourNotes Value

Our strengths are development and production of prototypes at launch of new business.
Please consult us from the stage of your first idea.
We will do better proposal.　

IoT devices and cloud services development

Technical consultation / advisor

Web service design and development

Programming Lesson

NEWS

CEATEC

CEATEC2017

We exhibited our product 'BowingVision'. We were selected as the finalist of the 2017 US Media Panel Innovation Awards.

2017/10/3-7

SLUSH TOKYO

SLUSH TOKYO 2017

We exhibited our product 'BowingVision'.

2017/3/30

DevCON

DevCon2017

We exhibited at DevCon held annually by Renesas Technologies.

2017/4/11

PRODUCTS

Watch it
Understand it
Change it

BowingVision

YouTube

Bowing Vision

New string instrument practice method

Visible approach to string playing

Sharpen awareness of arm dynamics

Get complete control of bowing

WORKS

CEATEC

Image recognition mobile application using OpenCV

iPhone/Android
swift/kotolin/OpenCV

kickstarter : designed-storage-box-made-in-japan-with-app

SLUSH TOKYO

Prototype of air condition monitor

arduino/raspberrypi
AWS/Soracom

Build SNS backend servers and chat development

AWS/node.js/Express/hapi
nginx/Redis/MongoDB
socket.io/docker

TEAM

TetsuoYutani

Tetsuo Yutani

Tetsuo Yutani

Founder And Architect

Tetsuo Yutani

Master of Electronics Engineering. Worked at home electronics manufacturers. Mainly engaged in research and development of software.
Starting from hardware design such as laptop PC, research and development of software for LSI design such as logic synthesis, development of PDA, research and development of embedded web browser etc.

Atsuko Shibuya

Atsuko Shibuya

Atsuko Shibuya

Founder And Developer

Atsuko Shibuya

Worked at software development companies and Yahoo! Japan.
Development of backend server system and frontend application(AngularJS and VueJS).
Development of mobile application (iOS, Andoroid, ionic)
Comic artist and illustrator.
At the economic media site, 4-frame comic strip series

ABOUT US

company First Four Notes, LLC
Establishment 2016/6/10
Business contents Development of own product
Design and development of IoT devices and cloud services.
Contact contact@firstfournotes.com
Location 101 SALA ogikubo
2-6-9 Amanuma, suginami-ku Tokyo
Officer Founder　　 Tetsuo Yutani
Founder　　 Atsuko Shibuya