Ryoichi Hirayama

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Patents Grantslast 30 patents

Information Patent Grant
Image reading and control device, and method, for document region e...
- Patent number 11,582,354
- Issue date Feb 14, 2023
- Seiko Epson Corporation
- Ryoichi Hirayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image reading apparatus, storage medium storing abnormality determi...
- Patent number 11,122,167
- Issue date Sep 14, 2021
- Seiko Epson Corporation
- Takayuki Shiota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Medium transport apparatus, image reading apparatus, and transport...
- Patent number 10,897,549
- Issue date Jan 19, 2021
- Seiko Epson Corporation
- Takayuki Shiota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image reading apparatus and image reading method
- Patent number 10,880,449
- Issue date Dec 29, 2020
- Seiko Epson Corporation
- Ryoichi Hirayama
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
IMAGE READING DEVICE, IMAGE READING SYSTEM, CONTROL DEVICE, AND DOC...
- Publication number 20220263949
- Publication date Aug 18, 2022
- SEIKO EPSON CORPORATION
- Ryoichi HIRAYAMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE READING APPARATUS, STORAGE MEDIUM STORING ABNORMALITY DETERMI...
- Publication number 20210058519
- Publication date Feb 25, 2021
- SEIKO EPSON CORPORATION
- Takayuki SHIOTA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE READING APPARATUS AND IMAGE READING METHOD
- Publication number 20200296244
- Publication date Sep 17, 2020
- SEIKO EPSON CORPORATION
- Ryoichi HIRAYAMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MEDIUM TRANSPORT APPARATUS, IMAGE READING APPARATUS, AND TRANSPORT...
- Publication number 20200177751
- Publication date Jun 4, 2020
- SEIKO EPSON CORPORATION
- Takayuki SHIOTA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image reading apparatus, image reading method, and program
- Publication number 20080055668
- Publication date Mar 6, 2008
- SEIKO EPSON CORPORATION
- Ryoichi Hirayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE