Growing community of inventors

Gunma, Japan

Hitoshi Ishiwatari

Average Co-Inventor Count = 4.47

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 = 270

Hitoshi IshiwatariManabu Haraguchi (7 patents)Hitoshi IshiwatariHideyuki Takahashi (4 patents)Hitoshi IshiwatariToshihiko Ota (4 patents)Hitoshi IshiwatariShinya Uema (3 patents)Hitoshi IshiwatariKoichi Kobayashi (2 patents)Hitoshi IshiwatariShigeyuki Nakamura (2 patents)Hitoshi IshiwatariTakashi Mori (1 patent)Hitoshi IshiwatariHiroyasu Shimizu (1 patent)Hitoshi IshiwatariAtuo Inamura (1 patent)Hitoshi IshiwatariHitoshi Ishiwatari (7 patents)Manabu HaraguchiManabu Haraguchi (20 patents)Hideyuki TakahashiHideyuki Takahashi (13 patents)Toshihiko OtaToshihiko Ota (5 patents)Shinya UemaShinya Uema (7 patents)Koichi KobayashiKoichi Kobayashi (19 patents)Shigeyuki NakamuraShigeyuki Nakamura (4 patents)Takashi MoriTakashi Mori (7 patents)Hiroyasu ShimizuHiroyasu Shimizu (4 patents)Atuo InamuraAtuo Inamura (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sanyo Electric Co., Ltd. (7 from 8,782 patents)

2. Sanyo Electric Biomedical Co., Ltd. (2 from 18 patents)


7 patents:

1. 8220224 - Medicine supply apparatus

2. 7637078 - Medicine supply apparatus

3. 7293672 - Chemical feeding device

4. 6928790 - Medication filling apparatus

5. 6792736 - Solid drug filling device

6. 6481180 - Solid preparation filling apparatus

7. 5097652 - Drug packing apparatus

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as of
12/31/2025
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