KK

Kazuhiro Kawaguchi

TO Tokuyama: 7 patents #36 of 562Top 7%
NE Nec: 1 patents #7,889 of 14,502Top 55%
YA Yac: 1 patents #4 of 19Top 25%
Overall (All Time): #538,192 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
12358663 Jig and method for manufacturing boxed body of polycrystalline silicon Takahisa IMAI 2025-07-15
12338548 Protective structure for silicon rod and method for manufacturing silicon rod Junya Sakai 2025-06-24
12091645 Washing method, manufacturing method, and washing device for polycrystalline silicon Hiroyuki Tasaki 2024-09-17
11958723 Unloading jig, unloading method, and method for producing silicon rod Junya Sakai 2024-04-16
11794330 Hammer 2023-10-24
11590509 Method for manufacturing polycrystalline silicon fragment and polycrystalline silicon block fracture device Masami Fujii, Sho Uchida, Manabu Kondo, Yoshifumi Mito, Nobuaki Yoshimatsu 2023-02-28
10307763 Polycrystalline silicon fragment, method for manufacturing polycrystalline silicon fragment, and polycrystalline silicon block fracture device Masami Fujii, Sho Uchida, Manabu Kondo, Yoshifumi Mito, Nobuaki Yoshimatsu 2019-06-04
6377064 IC device inspection apparatus Osamu Kurosu, Kazuya Tsujino, Yasuyuki Takata, Keisuke Yoshida 2002-04-23
6262584 IC device temperature control system and IC device inspection apparatus incorporating the same Osamu Kurosu 2001-07-17