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Namerikawa, Japan

Nobuhiro Ichikawa

Average Co-Inventor Count = 2.43

ph-index = 6

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 = 109

Nobuhiro IchikawaKoitsu Morioka (4 patents)Nobuhiro IchikawaJyunichiro Kudo (3 patents)Nobuhiro IchikawaYoshimitsu Asano (3 patents)Nobuhiro IchikawaHiromasa Asano (3 patents)Nobuhiro IchikawaTokuo Oozeki (3 patents)Nobuhiro IchikawaMitsuru Akeno (1 patent)Nobuhiro IchikawaHideki Takeda (1 patent)Nobuhiro IchikawaMiyako Tamura (1 patent)Nobuhiro IchikawaYukako Nakamura (1 patent)Nobuhiro IchikawaSyoso Yamamoto (1 patent)Nobuhiro IchikawaHideyuki Yamaguchi (1 patent)Nobuhiro IchikawaFumihiro Yano (1 patent)Nobuhiro IchikawaNobuhiro Ichikawa (9 patents)Koitsu MoriokaKoitsu Morioka (7 patents)Jyunichiro KudoJyunichiro Kudo (3 patents)Yoshimitsu AsanoYoshimitsu Asano (3 patents)Hiromasa AsanoHiromasa Asano (3 patents)Tokuo OozekiTokuo Oozeki (3 patents)Mitsuru AkenoMitsuru Akeno (40 patents)Hideki TakedaHideki Takeda (15 patents)Miyako TamuraMiyako Tamura (14 patents)Yukako NakamuraYukako Nakamura (11 patents)Syoso YamamotoSyoso Yamamoto (2 patents)Hideyuki YamaguchiHideyuki Yamaguchi (1 patent)Fumihiro YanoFumihiro Yano (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ykk Corporation (7 from 1,383 patents)

2. Other (2 from 832,812 patents)

3. Asano Transportation Co., Ltd. (1 from 1 patent)


9 patents:

1. 9528178 - Fastener element for slide fasteners

2. 7082648 - Air/water-tight slide fastener

3. 6913028 - Flexible container for liquid transport, liquid transport method using the container, liquid transport apparatus using the container, method for washing the container, and washing equipment

4. 6826810 - Separable bottom end stop assembly for slide fastener

5. D498176 - Slider for slide fastener

6. 6681455 - Airtight waterproof slide fastener

7. 6626212 - Flexible container for liquid transport, liquid transport method using the container, liquid transport apparatus using the container, method for washing the container, and washing equipment

8. 6609863 - Flexible container for liquid transport having air tight, water resistant slide fastener, and liquid transport apparatus using the container

9. 5611121 - Automatic lock slider for concealed slide fastener

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as of
12/20/2025
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