Growing community of inventors

Kanagawa, Japan

Noboru Oguma

Average Co-Inventor Count = 4.44

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 = 32

Noboru OgumaHiroshi Matsumura (2 patents)Noboru OgumaSiro Masai (2 patents)Noboru OgumaKeizo Endo (1 patent)Noboru OgumaHaruhisa Yamada (1 patent)Noboru OgumaYoshifumi Hasunuma (1 patent)Noboru OgumaNoboru Oguma (2 patents)Hiroshi MatsumuraHiroshi Matsumura (10 patents)Siro MasaiSiro Masai (2 patents)Keizo EndoKeizo Endo (2 patents)Haruhisa YamadaHaruhisa Yamada (1 patent)Yoshifumi HasunumaYoshifumi Hasunuma (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tokyo Tatsuno Co., Ltd. (2 from 22 patents)


2 patents:

1. 4730649 - Liquid delivery nozzle

2. 4522237 - Apparatus for dispensing liquids

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as of
1/9/2026
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