Growing community of inventors

Hiroshima, Japan

Takeji Ohya

Average Co-Inventor Count = 1.14

ph-index = 7

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 = 143

Takeji OhyaTatsuo Maeda (1 patent)Takeji OhyaTatuo Maeda (1 patent)Takeji OhyaTakeji Ohya (8 patents)Tatsuo MaedaTatsuo Maeda (7 patents)Tatuo MaedaTatuo Maeda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mazda Motor Corporation (6 from 4,685 patents)

2. Toyo Kogyo Co., Ltd. (2 from 264 patents)


8 patents:

1. 5316364 - Structure of a door for an automotive vehicle

2. 5242208 - Structure of a body of an automotive vehicle

3. 5137325 - Side door apparatus for vehicle

4. 5083832 - Structure of vehicle door

5. 4880267 - Back door structure for a motor vehicle

6. 4711052 - Vehicle door structure

7. 4357781 - Rear side door structure for four-door type automobiles

8. 4348046 - Rear side door structure for a four-door type automobile

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as of
1/20/2026
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