Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869347 | Speed control apparatus for elevators | Noboru Arabori | 1989-09-26 |
| 4869094 | Gas sampling valve | Kazuhiro Kozuka, Toshihiro Ozasa, Haruyoshi Kondo | 1989-09-26 |
| 4852694 | Elevator starting compensation method and apparatus | Noboru Arabori, Yoshio Sakai, Kenji Yoneda | 1989-08-01 |
| 4844788 | Wide-range air/fuel ratio sensor and detector using the same | Haruyoshi Kondo, Keiichi Saji | 1989-07-04 |
| 4829416 | Apparatus for controlling power transducers of the pulse width modulation (PWM) control type | Hiromi Inaba, Seiya Shima, Sadao Hokari, Toshimitsu Tobita, Shigeta Ueda | 1989-05-09 |
| 4815418 | Two fluidized bed type boiler | Sadahiko Maeda, Yasumasa Idei, Masahiro Nishida | 1989-03-28 |
| 4803372 | Line position detecting apparatus for detecting a V-shaped indent | Tadashi Hirata, Katsumi Koyama, Yasuhiro Harashima, Michio Kitahara, Katsuyuki Igarashi +3 more | 1989-02-07 |