Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11566558 | Controller of fan coupling device | Masaaki Yamaguchi, Noboru Takagi, Shoichi Akiyama | 2023-01-31 |
| 11028763 | Engine cooling device | Noboru Takagi, Kazuki Kato, Masaaki Yamaguchi | 2021-06-08 |
| 9897029 | Control apparatus for internal combustion engine | Toshio Maeda | 2018-02-20 |
| 9050965 | Vehicle control apparatus | Toshiya Oishi, Masashi Takagi, Michihito Shimada, Yuki Minase, Kenichi Okaya +1 more | 2015-06-09 |
| 6237387 | Entrance roller guide apparatus | Sadao Yoshizawa, Takahiro Miyamoto | 2001-05-29 |
| 5502920 | Retrofittable insecticide distribution system | — | 1996-04-02 |
| 5394642 | Retrofittable insecticide distribution system | — | 1995-03-07 |
| 5393403 | Probe using a mixed sub-electrode for measuring the activity of carbon in molton iron | Minoru Sasabe, Yoshihiko Kawai, Yoshiteru Kikuchi, Hiromi Seno, Chikayashi Furuta +1 more | 1995-02-28 |
| 5363826 | Air-fuel ratio control apparatus for an internal combustion engine | — | 1994-11-15 |
| 5190008 | Lean burn internal combustion engine | Hirofumi Yamasaki, Kiyoshi Yagi, Keisuke Tsukamoto, Takao Fukuma | 1993-03-02 |
| 5146885 | Air-fuel ratio control device for an engine | Takao Fukuma, Keisuke Tsukamoto, Hirofumi Yamasaki | 1992-09-15 |
| 5099942 | Traction control device for a vehicle | Naoto Kushi | 1992-03-31 |
| 5092297 | Air-fuel ratio control device for a vehicle engine | Keisuke Tsukamoto, Takao Fukuma, Hirofumi Yamasaki | 1992-03-03 |
| 5080074 | Air-fuel ratio control device of an internal combustion engine | Keisuke Tsukamoto, Takao Fukuma, Hirofumi Yamasaki | 1992-01-14 |
| 5067579 | Slip control system for a vehicle provided with an internal combustion engine | Naoto Kushi, Motoyasu Muramatsu | 1991-11-26 |
| 5067465 | Lean burn internal combustion engine | Hirofumi Yamasaki, Kiyoshi Yagi, Keisuke Tsukamoto, Takao Fukuma | 1991-11-26 |
| 5060618 | Method and apparatus for controlling torque variations in an internal combustion engine | Keisuke Tsukamoto, Takao Fukuma, Hirofumi Yamasaki | 1991-10-29 |
| 5058556 | Device for determining activated condition of an oxygen sensor | Takao Fukuma, Keisuke Tsukamoto, Hirofumi Yamasaki | 1991-10-22 |
| 5049357 | Method for manufacturing iron-boron-silicon alloy | Hidetoshi Matsuno, Yoshiteru Kikuchi, Yoshihiko Kawai, Tadahiko Nishi | 1991-09-17 |
| 5047082 | Method for smelting reduction of Ni ore | Haruyoshi Tanabe, Katsuhiro Iwasaki, Masahiro Kawakami, Chihiro Taki | 1991-09-10 |
| 5038883 | Traction control device for a vehicle | Naoto Kushi | 1991-08-13 |
| 5039480 | Method for manufacturing molten metal containing Ni and Cr | Haruyoshi Tanabe, Chihiro Taki, Katsuhiro Iwasaki, Masahiro Kawakami | 1991-08-13 |
| 5033574 | Traction control device for a vehicle | Naoto Kushi | 1991-07-23 |
| 5016593 | Method and apparatus for preventing surging of vehicle having internal combustion engine | — | 1991-05-21 |
| 5017220 | Method for smelting reduction of Ni ore | Haruyoshi Tanabe, Katsuhiro Iwasaki, Masahiro Kawakami, Chihiro Taki | 1991-05-21 |