HW

Haruo Watanabe

HC Hodogaya Chemical Co.: 2 patents #2 of 15Top 15%
HI Hitachi: 1 patents #856 of 3,149Top 30%
MK Mitsubishi Kasei: 1 patents #43 of 266Top 20%
SO Sony: 1 patents #281 of 1,124Top 25%
📍 Yokohama, JP: #16 of 176 inventorsTop 10%
Overall (1994): #3,403 of 165,921Top 3%
5
Patents 1994

Issued Patents 1994

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5374495 Developer for electrostatic electrophotography Masafumi Ata, Koichi Kawasumi, Yuji Yakura 1994-12-20
5360889 Soft polycarbonate resin Tsuyoshi Sato 1994-11-01
5354837 Low-temperature liquid urethane prepolymer 1994-10-11
5314168 Apparatus and method for controlling operation of quenching car/bucket for coke oven Yoshihiro Omae, Susumu Sonoki, Yoichi Kanemasa, Kazuo Sagara, Takashi Yoshimune +1 more 1994-05-24
5285027 Hydraulic elevator and a control method thereof Ichiro Nakamura, Tsuyoshi Ogasawara, Katsuharu Shuto, Eiichi Sasaki 1994-02-08