Growing community of inventors

Fujioka, Japan

Shigeki Ooba

Average Co-Inventor Count = 1.44

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 = 41

Shigeki OobaSatoshi Sakuma (1 patent)Shigeki OobaNobuyuki Nakajima (1 patent)Shigeki OobaHisami Tamano (1 patent)Shigeki OobaSeiichi Maruyama (1 patent)Shigeki OobaTakayuki Hayakawa (1 patent)Shigeki OobaKeiichiro Takachiyo (1 patent)Shigeki OobaTomoko Hasegawa (1 patent)Shigeki OobaYuuya Nagasaka (1 patent)Shigeki OobaShigeki Ooba (7 patents)Satoshi SakumaSatoshi Sakuma (23 patents)Nobuyuki NakajimaNobuyuki Nakajima (13 patents)Hisami TamanoHisami Tamano (6 patents)Seiichi MaruyamaSeiichi Maruyama (5 patents)Takayuki HayakawaTakayuki Hayakawa (5 patents)Keiichiro TakachiyoKeiichiro Takachiyo (4 patents)Tomoko HasegawaTomoko Hasegawa (2 patents)Yuuya NagasakaYuuya Nagasaka (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Pencil Company, Limited (7 from 384 patents)


7 patents:

1. 10299561 - Makeup tool

2. 10143288 - Cosmetic applicator

3. 9872550 - Applicator

4. D778495 - Cosmetic applicator

5. D778496 - Cosmetic applicator

6. 9119457 - Collector-type applicator implement

7. 8905666 - Liquid applicator

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1/6/2026
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