HI

Hiroshi Ishizuka

Fujitsu Limited: 10 patents #3,161 of 24,456Top 15%
UN Unknown: 7 patents #1,646 of 83,584Top 2%
II Ishizuka Research Institute: 7 patents #2 of 21Top 10%
FU Fujifilm: 4 patents #1,747 of 4,519Top 40%
KD Kddi: 2 patents #137 of 396Top 35%
NT NTT: 2 patents #2,095 of 4,871Top 45%
NI Nitsuko: 2 patents #22 of 78Top 30%
OI Osaka Diamond Industrial: 2 patents #4 of 39Top 15%
UI Ube Industries: 1 patents #895 of 1,686Top 55%
NI Nippon Itf: 1 patents #14 of 27Top 55%
JC Jcu: 1 patents #5 of 40Top 15%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
Overall (All Time): #41,809 of 4,157,543Top 2%
58
Patents All Time

Issued Patents All Time

Showing 51–58 of 58 patents

Patent #TitleCo-InventorsDate
4403769 Vacuum separator 1983-09-13
4401543 Electrolytic cell for magnesium chloride 1983-08-30
4385881 Ultrahigh pressure apparatus 1983-05-31
4334975 Apparatus for electrolytic production of magnesium metal from its chloride 1982-06-15
4322107 Structure for mounting cover of controller in battery fork lift Kazuhiko Kunogi 1982-03-30
4278448 Diamond abrasive grits Kazuo Suzuki 1981-07-14
4246005 Diamond aggregate abrasive materials for resin-bonded applications 1981-01-20
4242136 Process for producing metallic zirconium 1980-12-30