Tomohiko Kawakami

2 Patents

• US124671152025

  Method for Producing Beryllium Solution, Method for Producing Beryllium, Method for Producing Beryllium Hydroxide, Method for Producing Beryllium Oxide, and Beryllium Oxide

  KAKEN Inc.

  0 cites
• US118210482023

  Hole-opening Bit and Tap Hole Opening Method Using Same

  JFE STEEL CORPORATION

  0 cites