Growing community of inventors

Kyoto, Japan

Ryuichiro Niizeki

Average Co-Inventor Count = 2.00

ph-index = 5

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 = 347

Ryuichiro NiizekiMasaya Tatsumi (2 patents)Ryuichiro NiizekiFuyuki Yamada (2 patents)Ryuichiro NiizekiHideki Yoshikawa (1 patent)Ryuichiro NiizekiOsamu Yoshida (1 patent)Ryuichiro NiizekiAkifumi Tachibana (1 patent)Ryuichiro NiizekiSusumu Kirimura (1 patent)Ryuichiro NiizekiToshiro Terachi (1 patent)Ryuichiro NiizekiRyuichiro Niizeki (7 patents)Masaya TatsumiMasaya Tatsumi (5 patents)Fuyuki YamadaFuyuki Yamada (4 patents)Hideki YoshikawaHideki Yoshikawa (27 patents)Osamu YoshidaOsamu Yoshida (27 patents)Akifumi TachibanaAkifumi Tachibana (23 patents)Susumu KirimuraSusumu Kirimura (5 patents)Toshiro TerachiToshiro Terachi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. J. Morita Manufacturing Corporation (6 from 123 patents)

2. Other (1 from 832,718 patents)


7 patents:

1. 10485507 - Medical X-ray photographing apparatus

2. 10292673 - Medical X-ray photographing apparatus and X-ray photographing method

3. 9730653 - X-ray CT apparatus

4. 8422628 - Medical X-ray CT imaging apparatus

5. 6398741 - Tissue excision and cutting apparatus and its forceps

6. 6387044 - Laparoscope apparatus

7. 6270505 - Endo-bag with inflation-type receiving mouth and instrument for inserting endo-bag

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as of
12/9/2025
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