TK

Takayuki Kawahara

HI Hitachi: 74 patents #91 of 28,497Top 1%
RT Renesas Technology: 36 patents #13 of 3,337Top 1%
HC Hitachi Device Engineering Co.: 13 patents #16 of 514Top 4%
RE Renesas Electronics: 12 patents #246 of 4,529Top 6%
HE Hitachi Vlsi Engineering: 11 patents #38 of 666Top 6%
HC Hitachi Ulsi Systems Co.: 7 patents #101 of 867Top 15%
SA Sanden: 3 patents #149 of 631Top 25%
ML Mitsubishi Petrochemical Company Limited: 2 patents #172 of 670Top 30%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
HH Hitachi High-Technologies: 2 patents #968 of 1,917Top 55%
UC Université Paris Cité: 1 patents #123 of 608Top 25%
CN CNRS: 1 patents #3,857 of 11,908Top 35%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
MC Mitsubishi Chemical: 1 patents #1,511 of 3,022Top 50%
NC Nisshin Steel Co.: 1 patents #240 of 514Top 50%
AC Asahi Glass Co.: 1 patents #1,233 of 2,251Top 55%
📍 Higashiyamato, JP: #1 of 215 inventorsTop 1%
Overall (All Time): #8,058 of 4,157,543Top 1%
133
Patents All Time

Issued Patents All Time

Showing 126–133 of 133 patents

Patent #TitleCo-InventorsDate
5256504 Monaqueous electrolyte secondary batteries Hiromi Okuno, Hizuru Koshina, Katsuaki Hasegawa 1993-10-26
5197033 Semiconductor device incorporating internal power supply for compensating for deviation in operating condition and fabrication process conditions Takao Watanabe, Ryoichi Hori, Goro Kitsukawa, Yoshiki Kawajiri, Kiyoo Itoh 1993-03-23
5086238 Semiconductor supply incorporating internal power supply for compensating for deviation in operating condition and fabrication process conditions Takao Watanabe, Ryoichi Hori, Goro Kitsukawa, Yoshiki Kawajiri, Kiyoo Itoh 1992-02-04
4999519 Semiconductor circuit with low power consumption having emitter-coupled logic or differential amplifier Goro Kitsukawa, Kazumasa Yanagisawa, Ryoichi Hori, Yoshinobu Nakagome, Noriyuki Hamma +2 more 1991-03-12
4984202 Low voltage-operated semiconductor integrated circuit Goro Kitsukawa, Yoshiki Kawajiri, Kiyoo Itoh 1991-01-08
4873673 Driver circuit having a current mirror circuit Ryoichi Hori, Kiyoo Itoh, Goro Kitsukawa, Yoshiki Kawajiri, Takao Watanabe 1989-10-10
4837462 Semiconductor decoder circuit having switching means for preventing counterflow Takao Watanabe, Goro Kitukawa, Ryoichi Hori, Kiyoo Itoh, Yoshiki Kawajiri 1989-06-06
4730132 Semiconductor device having bipolar transistor and insulated gate field effect transistor with two potential power source Takao Watanabe, Goro Kitukawa, Ryoichi Hori, Kiyoo Itoh, Yoshiki Kawajiri 1988-03-08