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Koichi Muramatsu
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid ejection unit and liquid ejection device
Patent number
11,904,308
Issue date
Feb 20, 2024
Ricoh Company, Ltd.
Koichi Muramatsu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Liquid discharging head and liquid discharging apparatus
Patent number
11,097,544
Issue date
Aug 24, 2021
Ricoh Company, Ltd.
Koichi Muramatsu
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Droplet forming device, droplet forming method, and dispensing appa...
Patent number
11,007,774
Issue date
May 18, 2021
Ricoh Company, Ltd.
Yuzuru Kuramochi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid droplet forming device and liquid droplet forming method
Patent number
10,647,111
Issue date
May 12, 2020
Ricoh Company, Ltd.
Yuzuru Kuramochi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
LIQUID EJECTION UNIT AND LIQUID EJECTION DEVICE
Publication number
20210162742
Publication date
Jun 3, 2021
Koichi MURAMATSU
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGING HEAD AND LIQUID DISCHARGING APPARATUS
Publication number
20200139704
Publication date
May 7, 2020
Koichi Muramatsu
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
DROPLET FORMING DEVICE, DROPLET FORMING METHOD, AND DISPENSING APPA...
Publication number
20200023328
Publication date
Jan 23, 2020
Yuzuru KURAMOCHI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
LIQUID DROPLET FORMING DEVICE AND LIQUID DROPLET FORMING METHOD
Publication number
20190283402
Publication date
Sep 19, 2019
Yuzuru KURAMOCHI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS