HK

Hiroaki Kayama

DE Denso: 6 patents #2,220 of 11,792Top 20%
Honda Motor Co.: 4 patents #5,328 of 21,052Top 30%
Overall (All Time): #433,977 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12251691 Exhaust gas purification filter 2025-03-18
11878258 Exhaust gas purification filter 2024-01-23
11850541 Exhaust gas purification filter 2023-12-26
11767779 Exhaust gas purifying filter Kazuhiko Koike 2023-09-26
10946369 Honeycomb structure body Kazuhiko Koike, Keisuke Mizutani 2021-03-16
10648380 Honeycomb structure body and exhaust gas purification filter 2020-05-12
6122914 Swash plate type continuously variable transmission Tsutomu Hayashi, Yoshihiro Nakajima, Hideo Okuzaki, Masako Takahashi, Kenji Sakakibara 2000-09-26
5617938 Friction clutch Yoshiaki Tsukada, Kazuhiko Nakamura, Mitsuru Saito 1997-04-08
4570506 Operating wire control device for a brake system Sadashi Yamamoto, Masaki Watanabe 1986-02-18
4543849 Automatic adjusting device for actuating mechanism and its control wire Sadashi Yamamoto, Masaki Watanabe 1985-10-01
4456101 Vehicular brake operating system Sadashi Yamamoto, Masaki Watanabe 1984-06-26