HY

Hiroshi Yokoyama

TK Toshiba Kikai: 22 patents #4 of 713Top 1%
Ricoh Company: 17 patents #1,283 of 9,818Top 15%
HI Hitachi: 8 patents #5,191 of 28,497Top 20%
JA Japan Science And Technology Agency: 7 patents #44 of 2,171Top 3%
SO Sony: 7 patents #6,034 of 25,231Top 25%
SK Suzuki Jidosha Kogyo: 6 patents #10 of 121Top 9%
Nissan Motor Co.: 5 patents #1,472 of 8,689Top 20%
AC Asahi Kasei Chemicals: 5 patents #56 of 543Top 15%
SU Subaru: 4 patents #222 of 1,436Top 20%
KM Konica Minolta: 4 patents #901 of 2,718Top 35%
NE Nec: 3 patents #4,195 of 14,502Top 30%
KU Kent State University: 3 patents #43 of 294Top 15%
MI Mitsuba: 3 patents #118 of 618Top 20%
Sharp Kabushiki Kaisha: 3 patents #4,164 of 10,731Top 40%
KS Kobe Steel: 2 patents #616 of 1,773Top 35%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
KA Kaneka: 2 patents #598 of 1,525Top 40%
AC Asahi Kasei Kogyo Co.: 2 patents #303 of 1,395Top 25%
UN Unitika: 2 patents #136 of 620Top 25%
KK Kanegafuchi Kagaku Kogyo: 2 patents #226 of 691Top 35%
A. A.L.M.T.: 2 patents #36 of 152Top 25%
JT Japan Science And Technology: 2 patents #95 of 836Top 15%
SI Sijtechnology: 2 patents #2 of 11Top 20%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
NC Nhk Spring Co.: 2 patents #370 of 1,116Top 35%
AK Asahi Kasei Kabushiki Kaisha: 1 patents #556 of 1,220Top 50%
SM Suzuki Motor: 1 patents #523 of 1,209Top 45%
TK Terumo Kabushiki Kaisha: 1 patents #888 of 1,558Top 60%
AT Agency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
TT The University Of Tokyo: 1 patents #1,000 of 2,633Top 40%
AC Ando Electric Co.: 1 patents #158 of 301Top 55%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
HT Hitachi Plant Technologies: 1 patents #116 of 279Top 45%
HI Harima Chemicals, Incorporated: 1 patents #79 of 188Top 45%
JS Jsr: 1 patents #649 of 1,137Top 60%
KK Kabushiki Kaisha Mikuni Kogyo: 1 patents #17 of 50Top 35%
KC Kansai Paint Co.: 1 patents #432 of 822Top 55%
MN Maruha Nichiro: 1 patents #13 of 40Top 35%
MB Mitsuboshi Belting: 1 patents #183 of 333Top 55%
FU Fujifilm: 1 patents #3,076 of 4,519Top 70%
NC Nippon Electric Co.: 1 patents #251 of 792Top 35%
NE Ntt Electronics: 1 patents #160 of 358Top 45%
SA Sandoz Ag: 1 patents #497 of 1,103Top 50%
SI Seiko Instruments: 1 patents #836 of 1,437Top 60%
SC Shibaura Machine Co.: 1 patents #36 of 77Top 50%
SN Sii Nanotechnology: 1 patents #82 of 157Top 55%
📍 Ebina, OH: #1 of 1 inventorsTop 100%
Overall (All Time): #7,524 of 4,157,543Top 1%
136
Patents All Time

Issued Patents All Time

Showing 126–136 of 136 patents

Patent #TitleCo-InventorsDate
4523927 Method of coal upgrading Toshio Kuge, Shunsuke Nogita, Yoichi Nakamura, Katsumi Muroi 1985-06-18
4510113 Belt sleeve manufacturing method and apparatus Hiroshi Takano, Takahide Mizuno 1985-04-09
4487185 Air-fuel mixture intake apparatus for internal combustion engines Tokuzi Ishida 1984-12-11
4484549 4-Cycle internal combustion engine 1984-11-27
4479469 Internal combustion engine Yuzuru Namba, Kenichi Aoyagi 1984-10-30
4461627 Upgrading method of low-rank coal Toshio Kuge, Shunsuke Nogita, Yoichi Nakamura 1984-07-24
4452218 Duplex carburetor and intake system for internal combustion engines Tokuzi Ishida 1984-06-05
4450803 Internal combustion engine Yuzuru Namba, Kenichi Aoyagi 1984-05-29
4389723 High-speed pattern generator Atsushi Nigorikawa, Takanori Fujieda 1983-06-21
4379096 Compound carburetor Tokuzi Ishida, Kunio Kikuchi, Kazuaki Zama 1983-04-05
4325346 Four-cycle internal combustion engine 1982-04-20