YI

Yoshihiko Ishida

NI Ngk Insulators: 3 patents #9 of 158Top 6%
IC Idemitsu Petrochemical Co.: 1 patents #27 of 81Top 35%
Overall (1994): #3,871 of 165,921Top 3%
4
Patents 1994

Issued Patents 1994

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5345427 Ultrasonic transducer Yuji Asai, Makoto Tani 1994-09-06
5326650 Solid oxide fuel electrodes and process for producing 1994-07-05
5312700 Solid oxide fuel cell and method for producing the same 1994-05-17
5306790 Process for producing styrenic polymer Hideki Imabayashi, Kazutoshi Ishikawa 1994-04-26