Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870834 | Vapor pressure-adjusting valve and refrigeration system using same | Yoshiharu Kajikawa, Isao Kuroyanagi, Norimasa Baba, Toshio Ohara | 1989-10-03 |
| 4849747 | Display data transfer control apparatus applicable for display unit | Haruhiko Tsuchiya, Tsutomu Araki, Hiroshi Aoki, Hiroshi Yamamoto | 1989-07-18 |
| 4837371 | Process for concentration of an aqueous solution of amino acid | Seiya Iguchi, Hiroshi Kimura, Yoh Ohmori | 1989-06-06 |
| 4837564 | Display control apparatus employing bit map method | Haruhiko Tsuchiya, Tsutomu Araki, Hiroshi Aoki, Hiroshi Yamamoto | 1989-06-06 |
| 4821531 | Refrigerant evaporator | Yoshiyuki Yamauchi, Toshio Ohhara, Isao Kuroyanagi, Haruhiko Otsuka, Toshio Takahashi +1 more | 1989-04-18 |
| 4801930 | Video information transfer processing system | Haruhiko Tsuchiya, Hiroshi Yamamoto, Shinji Kyoe | 1989-01-31 |