Yoshiaki Masuda

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Sakai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ink, ink set, printing method, and printing device
- Patent number 11,421,124
- Issue date Aug 23, 2022
- Ricoh Company, Ltd.
- Naoto Shimura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid discharging device and liquid discharging method
- Patent number 10,919,294
- Issue date Feb 16, 2021
- Ricoh Company, Ltd.
- Takuya Fujita
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Oxygen-containing heterocyclic compounds
- Patent number 6,376,535
- Issue date Apr 23, 2002
- Kyowa Hakko Kogyo Co., Ltd.
- Etsuo Ohshima
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing indolocarbazole derivatives
- Patent number 5,585,488
- Issue date Dec 17, 1996
- Kyowa Hakko Kogyo Co., Ltd.
- Masahiko Kinugawa
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
INK, INK SET, PRINTING METHOD, AND PRINTING DEVICE
- Publication number 20210062026
- Publication date Mar 4, 2021
- Naoto Shimura
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK, INK SET, INK CONTAINER, IMAGE FORMING METHOD, AND IMAGE FORMIN...
- Publication number 20200157366
- Publication date May 21, 2020
- Hiroshi GOTOU
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
LIQUID DISCHARGING DEVICE AND LIQUID DISCHARGING METHOD
- Publication number 20190283406
- Publication date Sep 19, 2019
- Takuya FUJITA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Oxygen-containing heterocyclic compounds
- Publication number 20030100772
- Publication date May 29, 2003
- Etsuo Ohshima
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Oxygen-containing heterocyclic compounds
- Publication number 20010056117
- Publication date Dec 27, 2001
- Etsuo Ohshima
- C07 - ORGANIC CHEMISTRY