Hiroshi Sekizuka

TS Tokyo Electron Sagami: 2 patents #22 of 81Top 30%

TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%

📍 Tome, JP: #23 of 72 inventorsTop 35%

Overall (All Time): #2,298,212 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5368648	Sealing apparatus	—	1994-11-29
5133561	Sealing device	Hisashi Hattori, Teruo Iwata, Yoichi Kawauchi, Hisao Fujisawa	1992-07-28