For the Inventor, By the Inventor

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National Institute for Land and Infrastructure Management, Ministry of Land, Infrastructure and Transport

USPTO Granted Patents = 3

Forward Citations = 21

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11 inventors (with patents filed for the assignee):

Takeshi Shima (1 out of 41 patents)

Ryoichi Kurata (1 out of 14 patents)

Masato Maeda (1 out of 14 patents)

4. Ryo Yumiba (1 out of 9 patents)

5. Kenichiro Oka (1 out of 11 patents)

6. Kazunori Takahashi (1 out of 11 patents)

7. Makio Komada (1 out of 1 patent)

8. Makoto Ishizaka (1 out of 1 patent)

9. Masateru Suzuki (1 out of 1 patent)

10. Norihiro Nakajima (1 out of 7 patents)

11. Hiroyoshi Suzuki (1 out of 32 patents)

3 patents: Sort by Forward Citations

1. 6922136 - Security method for vehicle safe driving support system (2005-07-26),

2. 6728629 - On-road reference point positional data delivery device (2004-04-27),

3. 6594577 - Traveling support information processing system (2003-07-15),

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#15 in Tsukuba

#8,767 in Japan

National Institute for Land and Infrastructure Management, Ministry of Land, Infrastructure and Transport

Forward Citations = 21

11 inventors:

Takeshi Shima (1 out of 41 patents)

Ryoichi Kurata (1 out of 14 patents)

Masato Maeda (1 out of 14 patents)

4. Ryo Yumiba (1 out of 9 patents)

5. Kenichiro Oka (1 out of 11 patents)

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