TH

Tadashi Hattori

NS Nippon Soken: 127 patents #1 of 1,540Top 1%
NC Nippondenso Co.: 64 patents #1 of 3,479Top 1%
TO Toyota: 31 patents #512 of 26,838Top 2%
DE Denso: 12 patents #974 of 11,792Top 9%
Canon: 11 patents #5,840 of 19,416Top 35%
Ngk Spark Plug Co.: 4 patents #450 of 1,594Top 30%
SO Sony: 4 patents #8,966 of 25,231Top 40%
RJ Research Development Corporation Of Japan: 3 patents #41 of 402Top 15%
JR Japan Recom: 3 patents #1 of 16Top 7%
TL Toyota Central R&D Labs: 2 patents #528 of 1,657Top 35%
DC Daido Steel Co.: 1 patents #95 of 272Top 35%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
NI Ngk Insulators: 1 patents #1,271 of 2,083Top 65%
FU Fujikara: 1 patents #1 of 16Top 7%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
NT NTT: 1 patents #2,911 of 4,871Top 60%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Utsunomiya, JP: #1 of 13 inventorsTop 8%
Overall (All Time): #2,822 of 4,157,543Top 1%
216
Patents All Time

Issued Patents All Time

Showing 126–150 of 216 patents

Patent #TitleCo-InventorsDate
4643745 Air cleaner using ionic wind Nobuyoshi Sakakibara, Kazuhiko Miura, Hiroki Noguchi, Akira Fukami, Teiichi Nabeta 1987-02-17
4634242 Defrostable outside rear view mirror for an automobile Takasi Taguchi, Yoshiki Ueno 1987-01-06
4627279 Direct-heated gas-flow measuring apparatus Minoru Ohta, Kazuhiko Miura, Seizi Huzino, Kenji Kanehara 1986-12-09
4616502 Knocking detection system for internal combustion engine Yoshinori Ootsuka, Tadashi Ozaki, Kazuhiko Miura 1986-10-14
4581280 Heat-blocking glass Takashi Taguchi, Susumu Sato, Yoshiki Ueno 1986-04-08
4567751 Knocking detection device in diesel engine Yoshinori Ootsuka, Minoru Yamamoto, Tadashi Ozaki 1986-02-04
4567755 Ignition/misfire detector for an internal combustion engine Yoshinori Ootsuka, Minoru Yamamoto, Tadashi Ozaki 1986-02-04
4556599 Heat reflection film Susumu Sato, Yoshiki Ueno, Takashi Taguchi 1985-12-03
4537065 Device for detection of abnormality in pressure detector for internal combustion engine Yoshinori Ootsuka, Minoru Yamamoto, Tadashi Ozaki 1985-08-27
4523552 Ignition system for engine Shinichi Mukainakano, Minoru Nishida, Toru Mizuno, Tukasa Goto 1985-06-18
4492109 Knocking detection apparatus for an internal combustion engine Tadashi Ozaki, Kazuhiko Miura, Masanori Hanaoka, Yukihide Hashiguchi 1985-01-08
4476709 Knock detecting apparatus for internal combusion engines Tadashi Ozaki, Kazuhiko Miura, Yoshinori Ootsuka 1984-10-16
4476412 Spark plug Minoru Nishida, Takanori Yanagisawa 1984-10-09
4466405 Feedback type ignition timing control system for internal combustion engines Hiroaki Yamaguchi, Yoshinori Ootsuka, Kenji Goto, Daisaku Sawada 1984-08-21
4465047 Knock detecting apparatus for combustion engines Hiroaki Yamaguchi, Yoshinori Ootsuka 1984-08-14
4462247 Knock detecting apparatus for internal combustion engines Masanori Hanaoka, Yukihide Hashiguchi, Yoshinori Ootsuka, Hiroaki Yamaguchi 1984-07-31
4461532 Heat rays reflecting film Susumu Sato, Yoshiki Ueno, Takashi Taguchi 1984-07-24
4452069 Method of and apparatus for sensing knocking in internal combustion engine Masanori Hanaoka, Yukihide Hashiguchi, Yoshinori Ootsuka, Hiroaki Yamaguchi 1984-06-05
4444043 Knocking detector for internal combustion engine Yoshiki Ueno, Osamu Kashima, Masamichi Shibata 1984-04-24
4440014 Knocking detection device Tadashi Ozaki, Yoshinori Ootsuka, Kazuhiko Miura, Masanori Hanaoka, Yukihide Hashiguchi 1984-04-03
4439708 Spark plug having dual gaps Hiroaki Yamaguchi, Minoru Nishida, Minoru Ohta 1984-03-27
4439707 Spark plug with a wide discharge gap Hiroaki Yamaguchi, Minoru Nishida, Minoru Ohta 1984-03-27
4438954 Pipe coupling 1984-03-27
4438647 Ignition range detector for internal combustion engines Tadashi Ozaki, Hiroaki Yamaguchi 1984-03-27
4434753 Ignition apparatus for internal combustion engine Shinichi Mukainakano, Minoru Nishida, Toru Mizuno, Tukasa Goto 1984-03-06