Growing community of inventors

Gifu, Japan

Tomio Nagao

Average Co-Inventor Count = 2.86

ph-index = 1

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 = 14

Tomio NagaoMakoto Nakagawa (1 patent)Tomio NagaoKaoru Kamiya (1 patent)Tomio NagaoKeiko Watanabe (1 patent)Tomio NagaoKiyohiko Ohta (1 patent)Tomio NagaoMiduho Shibata (1 patent)Tomio NagaoTomio Nagao (2 patents)Makoto NakagawaMakoto Nakagawa (13 patents)Kaoru KamiyaKaoru Kamiya (4 patents)Keiko WatanabeKeiko Watanabe (3 patents)Kiyohiko OhtaKiyohiko Ohta (3 patents)Miduho ShibataMiduho Shibata (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tomei Sangyo Co., Ltd. (1 from 5 patents)

2. Menicon Nect Co., Ltd (1 from 4 patents)


2 patents:

1. 8740017 - Dispenser for both foam and liquid

2. 5181604 - Contact lens holder and treating device

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idiyas.com
as of
1/23/2026
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