Growing community of inventors

Toyonaka, Japan

Hirohisa Shimizu

Average Co-Inventor Count = 3.00

ph-index = 3

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 = 133

Hirohisa ShimizuShoji Yuyama (2 patents)Hirohisa ShimizuNaoki Koike (2 patents)Hirohisa ShimizuHiroyuki Yuyama (1 patent)Hirohisa ShimizuNobuyuki Shimizu, Legal Representative (1 patent)Hirohisa ShimizuHirohisa Shimizu (3 patents)Shoji YuyamaShoji Yuyama (144 patents)Naoki KoikeNaoki Koike (88 patents)Hiroyuki YuyamaHiroyuki Yuyama (52 patents)Nobuyuki Shimizu, Legal RepresentativeNobuyuki Shimizu, Legal Representative (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Yuyama Seisakusho (2 from 50 patents)

2. Yuyama Mfg. Co., Ltd. (1 from 249 patents)


3 patents:

1. 7603197 - Medicine packing apparatus

2. 6364517 - Drug dispenser and quantity input device

3. 6181982 - Drug dispenser and quantity input device

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idiyas.com
as of
12/15/2025
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