TW

Toshiaki Wada

SC Sumitomo Special Metals Co.: 26 patents #3 of 262Top 2%
OL Olympus: 12 patents #348 of 3,097Top 15%
NC Nippon Tungsten Co.: 11 patents #3 of 139Top 3%
OC Olympus Optical Co.: 5 patents #667 of 2,334Top 30%
HG HGST: 3 patents #567 of 1,677Top 35%
ST Sibata Scientific Technology: 2 patents #2 of 9Top 25%
OI Olympus Imaging: 2 patents #149 of 341Top 45%
IBM: 1 patents #44,794 of 70,183Top 65%
NK Nippon Hoso Kyokai: 1 patents #306 of 703Top 45%
CC Citizen Watch Co.: 1 patents #668 of 1,225Top 55%
Overall (All Time): #49,505 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 51–53 of 53 patents

Patent #TitleCo-InventorsDate
4582812 Aluminum oxide substrate material for magnetic head and method for producing the same Mitsuhiko Furukawa, Michito Miyahara, Takashi Kitahira, Kiyohito Misumi, Masaharu Shiroyama 1986-04-15
4438213 Magnetic head slider material and method for producing the same Mitsuhiki Furukawa, Michito Miyahara, Takashi Kitahira, Kiyohito Misumi, Masaharu Shiroyama 1984-03-20
4430440 Magnetic head slider material Mitsuhiko Furukawa, Michito Miyahara, Masaharu Shiroyama, Kiyohito Misumi, Takashi Kitahira 1984-02-07