Growing community of inventors

Ena, Japan

Jun-ichi Yoshida

Average Co-Inventor Count = 5.00

ph-index = 4

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 = 462

Jun-ichi YoshidaKazumasa Ito (4 patents)Jun-ichi YoshidaMasaki Ohbayashi (4 patents)Jun-ichi YoshidaShoji Koike (4 patents)Jun-ichi YoshidaToshio Makino (4 patents)Jun-ichi YoshidaJun-ichi Yoshida (4 patents)Kazumasa ItoKazumasa Ito (17 patents)Masaki OhbayashiMasaki Ohbayashi (5 patents)Shoji KoikeShoji Koike (4 patents)Toshio MakinoToshio Makino (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Elemex Corporation (4 from 34 patents)


4 patents:

1. 5323770 - Mouth cavity sanitary device

2. 5246367 - Mouth cavity sanitary device

3. 5197458 - Mouth cavity sanitary device

4. 5197460 - Mouth cavity sanitary device

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idiyas.com
as of
1/9/2026
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