YK

Yoichi Kawai

MI Mitsui Toatsu Chemicals, Incorporated: 21 patents #26 of 1,543Top 2%
OK Okuma: 10 patents #13 of 233Top 6%
MC Minebea Co.: 4 patents #140 of 736Top 20%
NC Nippon Petrochemicals, Co.: 1 patents #181 of 359Top 55%
DA Daiwa: 1 patents #5 of 15Top 35%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
MM Minebea Motor Manufacturing: 1 patents #10 of 30Top 35%
MC Mitsui Chemicals: 1 patents #1,270 of 2,279Top 60%
📍 Karuizawa, JP: #1 of 4 inventorsTop 25%
Overall (All Time): #86,667 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
4885162 Polyolefin resin compositions Takatoshi Udagawa, Takeshi Imakita, Sachio Yokote 1989-12-05
4748206 Polyolefin composition and the same used for vehicle exterior members Motomi Nogiwa, Sachio Akai, Hiroshi Furuhashi, Kenji Tanaka, Toshimasa Takakusaki +2 more 1988-05-31
4734450 Polypropylene-base resin composition containing an inorganic filler and 0.01 to 0.6 wt. % of carbon black Masami Maki, Masaru Abe, Sachio Yokote, Katsumi Sekiguchi 1988-03-29
4705818 Polypropylene-base resin composition Masaru Abe, Akio Yoshihara, Shigeru Hayashi, Katsumi Sekiguchi 1987-11-10
4663369 Glass-fiber reinforced polypropylene resin composition Masaru Abe, Masami Maki, Koutarou Suzuki, Minoru Hoshino 1987-05-05
4626565 Preparation process for polypropylene-base resin compositions Masaru Abe, Katsumi Sekiguchi, Akio Yoshihara, Shigeru Hayashi 1986-12-02
4600748 Polyolefin composition Kaneyuki Takagi, Yoshiyasu Kamiya 1986-07-15
4553413 Washing machine Nobuo Genji, Wataru Takahashi, Masatatsu Nakamura 1985-11-19
4510079 Electrically-conductive resin composition Yoshihisa Gotoh, Sachio Yokote, Masami Maki, Katsumi Sekiguchi 1985-04-09
4481131 Electroconductive resin composition Yoshihisa Gotoh, Masami Maki, Sachio Yokote, Katsumi Sekiguchi, Katsuyoshi Sasagawa +1 more 1984-11-06
4480065 Polypropylene-base resin composition Yoshihisa Gotoh, Masami Maki, Akio Yoshihara, Minoru Hoshino, Katsumi Sekiguchi 1984-10-30
4425262 Electroconductive resin composition Yoshiro Nakamura, Yoshihisa Gotoh, Masami Maki, Sachio Yokote, Katsumi Sekiguchi 1984-01-10
4314039 Polypropylene composition containing a 1.3,2.4-di(alkylbenzylidene) sorbitol Katsuyoshi Sasagawa, Masami Maki, Hozumi Ueda, Masayoshi Miyamoto 1982-02-02