Growing community of inventors

Tokyo, Japan

Hisamoto Naniwa

Average Co-Inventor Count = 7.00

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 = 63

Hisamoto NaniwaHideo Yamada (2 patents)Hisamoto NaniwaSusumu Tsunoda (2 patents)Hisamoto NaniwaKenji Kadokura (2 patents)Hisamoto NaniwaSusumu Uchida (2 patents)Hisamoto NaniwaShigemi Ichiki (2 patents)Hisamoto NaniwaKunio Nakajima (2 patents)Hisamoto NaniwaTsutomu Takahashi (1 patent)Hisamoto NaniwaKazuo Yasuzawa (1 patent)Hisamoto NaniwaYutaka Niioda (1 patent)Hisamoto NaniwaYoshiaki Yuasa (1 patent)Hisamoto NaniwaHisamoto Naniwa (2 patents)Hideo YamadaHideo Yamada (23 patents)Susumu TsunodaSusumu Tsunoda (4 patents)Kenji KadokuraKenji Kadokura (2 patents)Susumu UchidaSusumu Uchida (2 patents)Shigemi IchikiShigemi Ichiki (2 patents)Kunio NakajimaKunio Nakajima (2 patents)Tsutomu TakahashiTsutomu Takahashi (1 patent)Kazuo YasuzawaKazuo Yasuzawa (1 patent)Yutaka NiiodaYutaka Niioda (1 patent)Yoshiaki YuasaYoshiaki Yuasa (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Nihon Matai Co., Ltd. (2 from 6 patents)

2. Nippon Yusen Kaisha (2 from 6 patents)

3. Yoshiaki Yuasa (0 patent)

4. Kazuo Yasuzawa (0 patent)

5. Yutaka Niioda (0 patent)

6. Tsutomu Takahashi (0 patent)

7. Hisamoto Naniwa (0 patent)


2 patents:

1. 4784287 - Bulkhead device for use in container liner bags

2. 4674127 - Liner bag for use in containers

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as of
12/24/2025
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