KI

Keiichirou Ishihara

DE Denso: 8 patents #1,668 of 11,792Top 15%
Canon: 1 patents #14,899 of 19,416Top 80%
Overall (All Time): #546,522 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
12163493 Malfunction diagnosis device for leakage diagnosis device Taiki Yasuzaka, Tomohiro Itoh, Yasuo Kato 2024-12-10
12018679 Vane pump Tomohiro Itoh, Yasuo Kato, Masahiro Satou 2024-06-25
11674477 Leak hole determination device of evaporated fuel processing device Tomohiro Itoh, Yasuo Katoh 2023-06-13
11603809 Malfunction diagnostic device for leakage diagnostic device Taiki Yasuzaka, Yasuo Kato 2023-03-14
11428222 Vane pump Tomohiro Itoh, Yasuo Katoh 2022-08-30
11136943 Evaporative fuel processing system Tomohiro Itoh, Yasuo Kato 2021-10-05
10801917 Fuel vapor processing device Yuichiro Miura, Ryoyu Kishi, Tomohiro Itoh 2020-10-13
10473062 Fuel vapor processing device Tomohiro Itoh 2019-11-12
6181455 Cylindrical lens and optical scanning device using the lens 2001-01-30