KK

Kazuo Koyama

NS Nippon Steel: 15 patents #106 of 4,423Top 3%
CC Clarion Co.: 7 patents #72 of 721Top 10%
BL Bridgestone Tire Company Limited: 4 patents #49 of 438Top 15%
AM Asahi Kasei Microdevices: 3 patents #45 of 231Top 20%
IC Ishida Co.: 2 patents #120 of 307Top 40%
KO Kasei Optonix: 1 patents #58 of 142Top 45%
KC Koyama Co.: 1 patents #5 of 14Top 40%
NC Nissin Kogyo Co.: 1 patents #171 of 334Top 55%
SO Sony: 1 patents #17,262 of 25,231Top 70%
SU Subaru: 1 patents #677 of 1,436Top 50%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
IC Ishida Scales Mfg. Co.: 1 patents #31 of 63Top 50%
IS Ishida Koki Seisakusho: 1 patents #32 of 57Top 60%
📍 Ritto, JP: #6 of 205 inventorsTop 3%
Overall (All Time): #90,233 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
4683707 System for packaging, weighing and labeling articles 1987-08-04
4578926 Apparatus for packaging, weighing and labeling merchandise Hirokazu Sato 1986-04-01
4443272 Process for producing cold rolled steel sheets having excellent press formability and ageing property Hiroshi Katoh, Hiromi Toyota, Kunihiko Komiya 1984-04-17
4424238 Adhesive for bonding polyester fibrous material to rubber compositions Toshihiro Yotsumoto 1984-01-03
4394186 Method for producing a dual-phase steel sheet having excellent formability, high artificial-aging hardenability after forming, high strength, low yield ratio, and high ductility Takashi Furukawa 1983-07-19
4391653 Process for producing cold rolled steel strip having excellent mechanical strength and useful for motor vehicles Hiroshi Takechi, Hiroshi Katoh, Kazuhide Usami 1983-07-05
4378453 Adhesive for polyester fibrous material Toshihiro Yotsumoto 1983-03-29
4376661 Method of producing dual phase structure cold rolled steel sheet Hiroshi Takechi, Munetsugu Matsuo 1983-03-15
4374962 Adhesive for polyester fibrous material Toshihiro Yotsumoto 1983-02-22
4285741 Process for producing high-strength, low yield ratio and high ductility dual-phase structure steel sheets Takashi Furukawa 1981-08-25
4264677 Red colored phosphor and process for preparing the same Takashi Miyagawa, Michio Mathuyuki 1981-04-28
4252171 Withstand-voltage tire Isamu Imai, Mitsuaki Maeda 1981-02-24