MT

Masaya Tsubokawa

IC Idemitsu Petrochemical Co.: 2 patents #8 of 81Top 10%
Ngk Spark Plug Co.: 2 patents #13 of 76Top 20%
Overall (1994): #25,211 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5334453 Diamond-coated bodies and process for preparation thereof Satoshi Iio, Masakazu Watanabe, Toshimichi Ito 1994-08-02
5318836 Diamond-coated body Toshimichi Ito, Masakazu Watanabe, Satoshi Iio 1994-06-07