Kaihei Isshiki

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Patents Grantslast 30 patents

Information Patent Grant
Ink-jet head, method of producing the same, and ink-jet printing sy...
- Patent number 6,568,794
- Issue date May 27, 2003
- Ricoh Company, Ltd.
- Kunihiro Yamanaka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Electrostatic actuator, method of producing electrostatic actuator,...
- Patent number 6,497,474
- Issue date Dec 24, 2002
- Ricoh Company, Ltd.
- Mitsugu Irinoda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid droplet discharging head and ink jet recording device
- Patent number 6,394,586
- Issue date May 28, 2002
- Ricoh Company, Ltd.
- Kaihei Isshiki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink-jet head
- Patent number 6,354,696
- Issue date Mar 12, 2002
- Ricoh Company, Ltd.
- Kaihei Isshiki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Semiconductor device with contact hole
- Patent number 5,656,841
- Issue date Aug 12, 1997
- Ricoh Company, Ltd.
- Hirofumi Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and an apparatus for performing three-dimensional exposure
- Patent number 4,935,774
- Issue date Jun 19, 1990
- Ricoh Company, Ltd.
- Yukihiro Ageishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Electrostatic actuator, method of producing electrostatic actuator,...
- Publication number 20020047876
- Publication date Apr 25, 2002
- Ricoh Company, Ltd.
- Mitsugu Irinoda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Ink-jet head, method of producing the same, and ink-jet printing sy...
- Publication number 20020027576
- Publication date Mar 7, 2002
- Ricoh Company, Ltd.
- Kunihiro Yamanaka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Liquid droplet discharging head and ink jet recording device
- Publication number 20010033312
- Publication date Oct 25, 2001
- Ricoh Company, Ltd.
- Kaihei Isshiki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS