HY

Hiroyuki Yamada

HI Hitachi: 5 patents #36 of 2,942Top 2%
HC Hitachi Car Engineering Co.: 3 patents #1 of 31Top 4%
HC Hitachi Automotive Engineering Co.: 2 patents #5 of 57Top 9%
OC Oki Electric Industry Co.: 1 patents #28 of 130Top 25%
FC Furukawa Electric Co.: 1 patents #4 of 101Top 4%
Sumitomo Electric Industries: 1 patents #603 of 2,038Top 30%
KA Kao: 1 patents #63 of 282Top 25%
NT NTT: 1 patents #69 of 290Top 25%
Overall (1997): #824 of 185,788Top 1%
9
Patents 1997

Issued Patents 1997

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5699768 Throttle control device Yasuo Saito, Shigenori Tahara, Atsushi Hohkita 1997-12-23
5686851 Variable delay circuit Shouhei Seki 1997-11-11
5680092 Chip resistor and method for producing the same Akio Fukuoka, Seiji Tsuda 1997-10-21
5661380 Method and apparatus for operating an electric vehicle drive system during periods of sensor malfunction Sanshiro Obara, Shigeyuki Yoshihara, Nobunori Matsudaira 1997-08-26
5659235 Drive controller and control method for electric vehicle Nobunori Matsudaira, Sanshiro Obara 1997-08-19
5637755 Sulfonate compound process for producing the same, and bleach composition comprising the same Hiroshi Nagumo, Norio Nishikawa, Toyomi Koike, Yukinaga Yokota 1997-06-10
5631985 Optical connector wherein an arrangement plane of positioning pin holes and optical fibers is inclined with respect to an abutting direction Kenji Suzuki, Koichi Takagi, Takashi Shigematsu, Mikio Ishihara, Jun Yamakawa +1 more 1997-05-20
5610483 Control equipment for electric vehicle and control method thereof Sanshiro Obara, Nobunori Matsudaira, Ryoso Masaki 1997-03-11
5600215 Controller for electric vehicle Shotaro Naito, Sanshiro Obara 1997-02-04