YH

Yoshimasa Hayashi

Nissan Motor Co.: 89 patents #3 of 8,689Top 1%
OB Obayashi: 3 patents #13 of 118Top 15%
NC Nichireki Co.: 3 patents #2 of 13Top 20%
MM Mitsubishi Materials: 2 patents #498 of 1,543Top 35%
DA Daicel: 1 patents #265 of 523Top 55%
TK Trio Kabushiki Kaisha: 1 patents #22 of 70Top 35%
FC Fujisawa Pharmaceutical Co.: 1 patents #444 of 782Top 60%
JT Jtekt: 1 patents #1,102 of 1,969Top 60%
OH Ohbayashi-Gumi: 1 patents #5 of 34Top 15%
Overall (All Time): #15,521 of 4,157,543Top 1%
97
Patents All Time

Issued Patents All Time

Showing 51–75 of 97 patents

Patent #TitleCo-InventorsDate
4548183 Operational mode responsive heating arrangement for internal combustion engine induction system 1985-10-22
4547180 Crankshaft pulley of engine 1985-10-15
4545335 Cooling system for automotive engine or the like 1985-10-08
4538554 Arrangement of boiling liquid cooling system of internal combustion engine 1985-09-03
4520771 Internal combustion engine 1985-06-04
4515116 Valve operating system of internal combustion engine 1985-05-07
4515119 Bearing beam structure of automotive engine Naoki Ogawa 1985-05-07
4515124 Engine control system 1985-05-07
4497292 Bearing beam structure Naoki Ogawa 1985-02-05
4486157 Reciprocating compressor 1984-12-04
4480609 Front cover of automotive engine 1984-11-06
4470376 Cylinder block of engine 1984-09-11
4467755 Internal combustion engine with bearing beam structure 1984-08-28
4467754 Automotive internal combustion engine Yoshikazu Hayakawa, Naoki Ogawa 1984-08-28
4465041 Cylinder block of internal combustion engine 1984-08-14
4463721 Vibration suppression system for diesel engine Kiyoshi Shimada 1984-08-07
4461247 Cylinder block 1984-07-24
4459804 Multiple spark ignition internal combustion engine with exhaust gas recirculation Yasuo Nakajima, Tooru Yoshimura 1984-07-17
4453509 Internal combustion engine with bearing beam structure 1984-06-12
4452192 Cylinder block of engine 1984-06-05
4450709 Internal combustion engine with engine knock sensor 1984-05-29
4445471 Low noise level automotive internal combustion engine 1984-05-01
4438734 Overhead camshaft engine 1984-03-27
4436061 Automotive internal combustion engine 1984-03-13
4433433 Sampling pulse forming circuit for FM stereo demodulator Atsushi Ogawa 1984-02-21