HM

Hajime Machida

Ricoh Company: 7 patents #2,977 of 9,818Top 35%
ZG Zexel Gmbh: 2 patents #110 of 348Top 35%
Overall (All Time): #590,079 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6004106 Distributor type fuel injection pump and power transmission device Satoshi Kitamura, Jun Matsubara 1999-12-21
5746584 Inner cam type fuel injection pump having modified plungers Hisashi Nakamura, Kenichi Kubo, Jun Matsubara, Kazuaki Narikiyo, Noriyuki Abe +2 more 1998-05-05
5461595 Double-layer magneto-optical recording method without using an initial magnetic field 1995-10-24
5420836 Method of magneto-optical recording and overwriting 1995-05-30
4883710 Magneto-optical recording medium 1989-11-28
4839226 Magneto-optical recording medium Yasuo Sawada 1989-06-13
4816292 Method of preparing hexagonal ferrite element 1989-03-28
4690861 Magneto optical recording medium Hitoshi Nakamura, Yujiro Kaneko, Yasuo Sawada, Fumiya Omi, Atsuyuki Watada 1987-09-01
4466004 Thermomagnetic recording Hiroshi Kobayashi, Motoharu Tanaka, Takashi Yano, Uee Myong Hwang 1984-08-14