YH

Yutaka Hiratsuka

HI Hitachi: 7 patents #5,859 of 28,497Top 25%
HC Hitachi Plant Engineering & Construction Co.: 1 patents #53 of 194Top 30%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #590,890 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5485861 Cleaning tank Tadashi Akiyama 1996-01-23
4976815 Draft chamber Tadahiro Ohmi, Junichi Murota, Yoshio Fujisaki, Masato Noda, Yoshimitsu Kitada +1 more 1990-12-11
4890481 System for measuring foreign materials in liquid Masayoshi Ezawa, Shigeru Wakana, Akira Misumi, Yoshifumi Tomita 1990-01-02
4779451 System for measuring foreign materials in liquid Masayoshi Ezawa, Shigeru Wakana, Akira Misumi, Yoshifumi Tomita 1988-10-25
4586819 Laser Raman microprobe Kenji Tochigi, Yoshiaki Hanyu 1986-05-06
4569592 Plasma monitor Hisajiro Osada 1986-02-11
4566116 Soft X-ray generator Asao Nakano 1986-01-21
4541718 Plasma monitoring method and plasma monitor Hisajiro Osada, Masahiro Watanabe 1985-09-17
4505586 Laser Raman spectrophotometry system and adjustment thereof Kenji Tochigi, Yoshiaki Hanyu 1985-03-19