Katsuhiko Sawamura

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrocoagulation printing ink and method
- Patent number 6,406,606
- Issue date Jun 18, 2002
- Toyo Ink Mfg. Co., Ltd.
- Atsushi Betto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Pigment dispersing agent, composition containing the same, and aque...
- Patent number 5,854,323
- Issue date Dec 29, 1998
- Toyo Ink Manufacturing Co., Ltd.
- Tadashi Itabashi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Pigment composition, printing ink and coating composition
- Patent number 5,472,490
- Issue date Dec 5, 1995
- Toyo Ink Manufacturing Co., Ltd.
- Katsuhiko Sawamura
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...