MI

Masami Ishikawa

NC Nkk Co.: 1 patents #25 of 178Top 15%
TC Tokyo Gas Co.: 1 patents #7 of 28Top 25%
Overall (1994): #96,821 of 165,921Top 60%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5333501 Abnormality monitoring apparatus for a pipeline Masumi Okada, Shingo Nagashima, Kazuo Nakamachi, Kazuo Hattori, Yoji Takanashi +2 more 1994-08-02