Tomoyuki Yamaguchi

Follow

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ink jet head including phase transition material actuators
- Patent number 5,729,262
- Issue date Mar 17, 1998
- Ricoh Company, Ltd.
- Yoshikazu Akiyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Receptacle for waste ink collection in ink jet recording apparatus
- Patent number 4,524,365
- Issue date Jun 18, 1985
- Ricoh Company, Ltd.
- Sadao Kakeno
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Aqueous ink for ink-jet printing
- Patent number 4,508,570
- Issue date Apr 2, 1985
- Ricoh Company, Ltd.
- Tadashi Fujii
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink jet recording process
- Patent number 4,445,124
- Issue date Apr 24, 1984
- Ricoh Co., Ltd.
- Tadashi Fujii
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS