Growing community of inventors

Moriguchi, Japan

Machiko Hirano

Average Co-Inventor Count = 2.00

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 = 18

Machiko HiranoHideki Sakumoto (2 patents)Machiko HiranoMachiko Hirano (2 patents)Hideki SakumotoHideki Sakumoto (9 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Matsushita Electric Industrial Co., Ltd. (2 from 27,375 patents)

2. Machiko Hirano (0 patent)

3. Hideki Sakumoto (0 patent)


2 patents:

1. 5121271 - Cassette holder device capable of receiving large and small size

2. 5101304 - Cassette holder device capable of preventing erroneous insertion of

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