Growing community of inventors

Tokyo, Japan

Ko Shimazawa

Average Co-Inventor Count = 1.90

ph-index = 2

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 = 25

Ko ShimazawaTakahiro Yamamoto (3 patents)Ko ShimazawaMasatoshi Tanaka (3 patents)Ko ShimazawaTakahiro Sakimoto (3 patents)Ko ShimazawaJun Tanaka (2 patents)Ko ShimazawaKosuke Yoshihara (2 patents)Ko ShimazawaJun Tanaka (1 patent)Ko ShimazawaHironori Watanabe (1 patent)Ko ShimazawaTaiyo Kato (1 patent)Ko ShimazawaKenta Nakayama (1 patent)Ko ShimazawaYutaka Nagoya (1 patent)Ko ShimazawaKeisuke Tatehara (1 patent)Ko ShimazawaKo Shimazawa (13 patents)Takahiro YamamotoTakahiro Yamamoto (133 patents)Masatoshi TanakaMasatoshi Tanaka (28 patents)Takahiro SakimotoTakahiro Sakimoto (7 patents)Jun TanakaJun Tanaka (86 patents)Kosuke YoshiharaKosuke Yoshihara (2 patents)Jun TanakaJun Tanaka (77 patents)Hironori WatanabeHironori Watanabe (3 patents)Taiyo KatoTaiyo Kato (1 patent)Kenta NakayamaKenta Nakayama (1 patent)Yutaka NagoyaYutaka Nagoya (1 patent)Keisuke TateharaKeisuke Tatehara (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Wingarc1st Inc. (11 from 16 patents)

2. Wingarcist Inc. (1 from 1 patent)

3. 1St Holdings, Inc. (1 from 1 patent)

4. Four-Clue Inc. (1 from 1 patent)


13 patents:

1. 11509609 - Chat system, chat control apparatus and chat program

2. 11252143 - Authentication system, authentication server and authentication method

3. 11055551 - Correction support device and correction support program for optical character recognition result

4. 10742540 - Cloud relay system and relay server

5. 10666726 - Data processing system, and program for managing data

6. 10162589 - Data communication device, information visualizing system and data communicating program

7. 9846715 - Address/latitude and longitude converting device and geographical information system using the same

8. 9658808 - Printing system, printing control method in cluster environment, and printing control program

9. 9658809 - Printing system, printing control method in cluster environment, and printing control program

10. 9588725 - Printing system, printing control method in cluster environment, and printing control program

11. 9582703 - Code reading device and code reading program

12. 8787661 - Object processing device and object selection method

13. 8345048 - Chart drawing device and chart drawing method

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as of
1/16/2026
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