Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6411021 | Wedge base bulb with color coating | Koichi Nakamura | 2002-06-25 |
| 6221274 | Lubricant compositions for refrigerating machine employing HFC-32, HFC-125 or HFC-134A | Yasushi Akahori, Noboru Masuda, Masayoshi Muraki, Kazuo Tagawa, Tomohiro Magome | 2001-04-24 |
| 6189322 | Refrigerant-circulating system, and refrigerant compressor and refrigeration cycle employing the refrigerant compressor | Keisaku Ishihara, Yoshinori Shirafuji, Shin Sekiya, Noboru Masuda, Hideto Nakao +2 more | 2001-02-20 |
| 5953934 | Refrigerant circulating apparatus and method of assembling a refrigerant circuit | Hiroaki Makino, Yasushi Akahori, Yoshinori Shirafuji, Koji Yamashita | 1999-09-21 |
| 5799503 | Accumulator | Toshihide Koda, Mihoko Shimoji, Masahiro Sugihara, Naoki Tanaka, Hitoshi Iijima +1 more | 1998-09-01 |
| 4957455 | Socket for wedge-base lamp | Kazuya Horiuchi, Kihachiro Uchida, Tadashi Harada | 1990-09-18 |