HY

Hiroaki Yamaguchi

NS Nippon Soken: 35 patents #15 of 1,540Top 1%
UI Ube Industries: 28 patents #6 of 1,686Top 1%
Mitsubishi Electric: 12 patents #2,296 of 25,717Top 9%
TO Toyota: 11 patents #2,600 of 26,838Top 10%
KA Kao: 10 patents #262 of 3,221Top 9%
NC Nippondenso Co.: 6 patents #366 of 3,479Top 15%
SO Sony: 6 patents #6,793 of 25,231Top 30%
3M: 3 patents #4,214 of 11,543Top 40%
KS Komatsu Shisakusho: 3 patents #142 of 885Top 20%
TC Taiyo Kagaku Co.: 2 patents #17 of 128Top 15%
TC The Society Of Japanese Aerospace Companies: 2 patents #3 of 40Top 8%
TR Tram: 2 patents #12 of 33Top 40%
TS Toshiba Mitsubishi-Electric Industrial Systems: 1 patents #206 of 368Top 60%
MC Mita Industrial Co.: 1 patents #653 of 891Top 75%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
KO Komatsu: 1 patents #1,163 of 2,087Top 60%
NU National University Corporation, Iwate University: 1 patents #30 of 99Top 35%
📍 Ube, MI: #1 of 1 inventorsTop 100%
Overall (All Time): #11,722 of 4,157,543Top 1%
111
Patents All Time

Issued Patents All Time

Showing 101–111 of 111 patents

Patent #TitleCo-InventorsDate
4313341 Torque detecting system for internal combustion engine Tadashi Hattori, Yoshinori Ootsuka 1982-02-02
4290398 Ignition timing control system for internal combustion engine Tadashi Hattori, Kenji Goto, Daisaku Sawada, Takashi Shigematu, Minoru Nishida +1 more 1981-09-22
4290301 Knock detecting apparatus for internal combustion engine Tadashi Hattori, Yoshinori Ootsuka 1981-09-22
4266518 Method of controlling ignition timing for internal combustion engines and apparatus for carrying out the same Minoru Nishida, Tadashi Hattori 1981-05-12
4245591 Ignition timing control system for internal combustion engines Minoru Nishida, Tadashi Hattori, Kenji Goto, Daisaku Sawada, Takashi Shigematu 1981-01-20
4236491 Ignition timing control apparatus for internal combustion engines Tadashi Hattori, Kenji Goto, Daisaku Sawada, Takashi Shigematu, Minoru Nishida +1 more 1980-12-02
4232642 Ignition timing control system for internal combustion engines Tadashi Hattori, Minoru Nishida, Kenji Goto, Daisaku Sawada, Takashi Shigematu 1980-11-11
4230078 Ignition control apparatus for internal combustion engine Tadashi Hattori 1980-10-28
4220125 Ignition timing control system for internal combustion engines Minoru Nishida, Tadashi Hattori 1980-09-02
4211194 Ignition system for internal combustion engines Tadashi Hattori, Daisaku Sawada, Kenji Goto, Takashi Shigematu, Yuji Takeda +1 more 1980-07-08
4206173 Gas composition sensor Tadashi Hattori, Siniti Yamamoto 1980-06-03