MS

Masao Sakai

PA Panasonic: 12 patents #2,079 of 21,108Top 10%
TU Tohoku University: 7 patents #68 of 1,680Top 5%
Ngk Spark Plug Co.: 4 patents #450 of 1,594Top 30%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
YA Yazaki: 2 patents #1,574 of 3,427Top 50%
HU Hirosaki University: 1 patents #21 of 81Top 30%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
AC Aoyama Seisakusho Co.: 1 patents #44 of 115Top 40%
NC Nippon Bee Chemical Co.: 1 patents #19 of 66Top 30%
NC Nippon Kokan Co.: 1 patents #290 of 735Top 40%
NT NTT: 1 patents #2,911 of 4,871Top 60%
NC Nippon Wiper Blade Co.: 1 patents #6 of 31Top 20%
MK Murata Kikai: 1 patents #251 of 454Top 60%
CC Citizen Machinery Co.: 1 patents #38 of 80Top 50%
CC Citizen Watch Co.: 1 patents #668 of 1,225Top 55%
DA Daihen: 1 patents #169 of 305Top 60%
DE Denso: 1 patents #6,940 of 11,792Top 60%
Overall (All Time): #96,429 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
4956540 Arc spot welding apparatus Mitsuo Kohno, Moritoshi Nagasaka, Toshihiko Okada, Hiroyuki Morimoto 1990-09-11
4847056 Method for removing hydrogen chloride from exhaust gas discharged from incinerator Hajime Ase, Satoshi Fujii, Hisao Nara 1989-07-11
4795288 Yoke member connecting device in windshield wiper 1989-01-03
4601848 Resistor compositions for producing a resistor in resistor-incorporated spark plugs Makoto Sugimoto, Miyakazu Hashizume, Yutaka Tanaka, Yukihiko Ito 1986-07-22
4504411 Resistor composition for resistor-incorporated spark plugs Yasuhiko Suzuki, Makoto Sugimoto 1985-03-12
4482870 Magnetron with magnetic yoke having annular projection 1984-11-13
4482475 Resistor composition for resistor-incorporated spark plugs Yasuhiko Suzuki, Makoto Sugimoto 1984-11-13
4446058 Resistor composition for resistor-incorporated spark plugs Miyakazu Hashizume, Yasuhiko Suzuki, Makoto Sugimoto 1984-05-01
4393681 Method of manufacturing hermetic sealing member 1983-07-19
4352617 Bucket stacking and conveying apparatus Takayuki Nishida 1982-10-05