KH

Koichiro Hiwa

TO Toto: 3 patents #304 of 1,113Top 30%
Overall (All Time): #1,323,489 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12416142 Discharge valve device, flush water tank device, and flush toilet Yuta KONDO, Haruki Matsuda, Yuki Shimokawa 2025-09-16
12258744 Flush water tank device and flush toilet apparatus provided with the same Yuta KONDO, Yuki Shimokawa, Kenji HATAMA, Haruki Matsuda 2025-03-25
11111658 Flush toilet Tsubasa Miyake, Hironori Yamasaki, Mitsuhiro Suenaga, Takashi Yoshioka 2021-09-07