Growing community of inventors

Osaka, Japan

Takahiro Nakagawa

Average Co-Inventor Count = 1.68

ph-index = 4

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

Takahiro NakagawaShiro Tanaka (2 patents)Takahiro NakagawaMasakazu Hirayama (1 patent)Takahiro NakagawaTakeshi Yamamoto (1 patent)Takahiro NakagawaAkira Kinomura (1 patent)Takahiro NakagawaYoshinori Hotta (1 patent)Takahiro NakagawaMine Hashimoto (1 patent)Takahiro NakagawaMasafumi Harada (0 patent)Takahiro NakagawaTakahiro Nakagawa (7 patents)Shiro TanakaShiro Tanaka (2 patents)Masakazu HirayamaMasakazu Hirayama (3 patents)Takeshi YamamotoTakeshi Yamamoto (1 patent)Akira KinomuraAkira Kinomura (1 patent)Yoshinori HottaYoshinori Hotta (1 patent)Mine HashimotoMine Hashimoto (1 patent)Masafumi HaradaMasafumi Harada (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyo Tire Rubber Co., Ltd. (2 from 967 patents)

2. Chugai Seiyaku Kabushiki Kaisha (2 from 948 patents)

3. San-ei Chemical Industries, Ltd. (2 from 8 patents)

4. Matsushita Electric Works, Ltd. (1 from 1,623 patents)

5. Fuji Seal International, Inc. (1 from 99 patents)

6. Fuji Seal, Inc. (1 from 10 patents)


7 patents:

1. 12252319 - Pouch container

2. 8465682 - Semiconductive rubber belt, and process for producing the same

3. 8293351 - Semiconductive rubber belt, and process for producing the same

4. D541762 - Ultraviolet irradiation controller

5. 6553700 - Metal can label and metal can having metal can label applied thereto

6. 5185166 - Process for the production of milk mineral concentrate and drink

7. 4963387 - Salt substitute and foodstuffs containing same

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as of
12/11/2025
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