HK

Hajime Kiyokawa

HC Harada Industry Co.: 1 patents #51 of 119Top 45%
SI Seiko Instruments: 1 patents #836 of 1,437Top 60%
YC Yamamoto-Ms Co.: 1 patents #7 of 10Top 70%
Overall (All Time): #564,382 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
10797388 Vehicle-mounted antenna device 2020-10-06
10030313 Plating apparatus and container bath Wataru Yamamoto, Fumio Harada 2018-07-24
9756736 Process for producing a wiring board Shojiro Honda, Yosuke Haruki 2017-09-05
7338686 Method for producing conductive particles Kiyoto Fukuoka 2008-03-04
6447167 Hydrodynamic bearing, hydrodynamic bearing apparatus Tsuyoshi Kashiwada, Katsushige Konno, Kaoru Kaneko, Tadashi Kiyokawa 2002-09-10
6306339 Method for manufacturing hydrogen storage material Tadashi Kiyokawa, Masayuki Takashima 2001-10-23
6143052 Hydrogen storage material Tadashi Kiyokawa, Masayuki Takashima 2000-11-07
5874168 Fluorocarbon compound-hydrogen storage alloy composite and method of manufacturing the same Masayuki Takashima, Susumu Yonezawa 1999-02-23
5560812 Method for producing a metal film resistor 1996-10-01