Kazumi Umezawa

Person

Yokohama, JA

People

Patents Grantslast 30 patents

Information Patent Grant
Repeating mechanism for a copying apparatus
- Patent number 4,088,872
- Issue date May 9, 1978
- Canon Kabushiki Kaisha
- Shigehiro Komori
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Copying apparatus for sheet originals and thicker originals
- Patent number 4,071,295
- Issue date Jan 31, 1978
- Canon Kabushiki Kaisha
- Shigehiro Komori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic device
- Patent number 4,017,170
- Issue date Apr 12, 1977
- Canon Kabushiki Kaisha
- Shigehiro Komori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for separating transfer material in an electrostatic copy...
- Patent number 4,013,354
- Issue date Mar 22, 1977
- Canon Kabushiki Kaisha
- Shigehiro Komori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Copying apparatus for sheet originals and thicker originals
- Patent number 4,009,955
- Issue date Mar 1, 1977
- Canon Kabushiki Kaisha
- Shigehiro Komori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical system for an electrophotographic device
- Patent number 3,999,850
- Issue date Dec 28, 1976
- Canon Kabushiki Kaisha
- Shigehiro Komori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Original keep device in copying machine
- Patent number 3,994,582
- Issue date Nov 30, 1976
- Canon Kabushiki Kaisha
- Yoshitomo Goshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical system for copying sheet originals and thick orginals
- Patent number 3,957,368
- Issue date May 18, 1976
- Canon Kabushiki Kaisha
- Yoshitomo Goshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Jam detecting device in a copying machine
- Patent number 3,948,586
- Issue date Apr 6, 1976
- Canon Kabushiki Kaisha
- Shigehiro Komori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Kazumi Umezawa

Person

Patents Grantslast 30 patents

Repeating mechanism for a copying apparatus

Copying apparatus for sheet originals and thicker originals

Electrophotographic device

Apparatus for separating transfer material in an electrostatic copy...

Copying apparatus for sheet originals and thicker originals

Optical system for an electrophotographic device

Original keep device in copying machine

Optical system for copying sheet originals and thick orginals

Jam detecting device in a copying machine