Growing community of inventors

Tokyo, Japan

Keiichi Ogawa

Average Co-Inventor Count = 2.62

ph-index = 5

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 72

Keiichi OgawaTakeshi Fujita (9 patents)Keiichi OgawaTsutomu Kawachi (8 patents)Keiichi OgawaShuji Kobayashi (3 patents)Keiichi OgawaShigeki Umise (2 patents)Keiichi OgawaHideichiro Takeda (2 patents)Keiichi OgawaTakeo Suzuki (2 patents)Keiichi OgawaKeiji Hirose (1 patent)Keiichi OgawaKonosuke Tanaka (1 patent)Keiichi OgawaHideaki Karamon (1 patent)Keiichi OgawaKeiichi Ogawa (17 patents)Takeshi FujitaTakeshi Fujita (89 patents)Tsutomu KawachiTsutomu Kawachi (20 patents)Shuji KobayashiShuji Kobayashi (3 patents)Shigeki UmiseShigeki Umise (20 patents)Hideichiro TakedaHideichiro Takeda (16 patents)Takeo SuzukiTakeo Suzuki (14 patents)Keiji HiroseKeiji Hirose (10 patents)Konosuke TanakaKonosuke Tanaka (1 patent)Hideaki KaramonHideaki Karamon (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (9 from 58,129 patents)

2. Dai Nippon Printing Co., Ltd. (5 from 3,192 patents)

3. Other (1 from 832,718 patents)

4. Dai Nippon Insatsu Kabushiki Kaisha (1 from 412 patents)

5. Research Development Corporation of Japan (1 from 255 patents)

6. Dai Nippon Insatsu K.k. (1 from 12 patents)


17 patents:

1. 9229742 - Registration of electronic device to server

2. 8972881 - Add-in for download, upload, and rewriting

3. 8959434 - Add-in program for upload, auxiliary program for upload and upload method

4. 8732189 - Command execution program and command execution method

5. 8639732 - Method for storing and reading-out data handled by application operating on HTTP client, data storage program, and data read-out program

6. 8316103 - Method for acquiring long data by GET method

7. 8259573 - Contents providing system, server device and contents transmission device

8. 8127314 - Method for using information in another domain, program for using information in another domain, and information transfer program

9. 8122458 - Device communication interface system

10. 6673399 - Heat transfer white-image-printing sheet

11. 6348260 - Heat transfer white-image-printing sheet

12. 5665472 - Thermal transfer sheet

13. 5643659 - Heat transfer printing sheet for producing images having metallic luster

14. 5569540 - Thermal transfer sheet

15. 5456969 - Thermo-transfer sheet and label and manufacturing method of the same

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as of
12/12/2025
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