Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683943 | Process for etching a semiconductor lead frame | — | 1997-11-04 |
| 5521842 | Diagnostic device and a data communication system for use with the diagnostic device | — | 1996-05-28 |
| D356554 | Monitor for a computer | Hirofumi Takemasa, Hiroyuki Maeno, Eiichiro Naito, Tadakazu Narikawa | 1995-03-21 |
| D356557 | Video monitor | Hirofumi Takemasa, Hiroyuki Maeno, Eiichiro Naito, Tadakazu Narikawa | 1995-03-21 |
| D354954 | Video telephone | Eiichiro Naito, Hiroyuki Maeno, Hirofumi Takemasa, Tadakazu Narikawa | 1995-01-31 |
| D350346 | Television receiver | Hirofumi Takemasa, Eiichiro Naito, Hiroyuki Maeno, Tadakazu Narikawa | 1994-09-06 |
| 5328491 | Method for dispersing and stabilizing a coal/water slurry using a polystyrenesulfonate | Mituo Sugiyama, Tadashi Iihara | 1994-07-12 |
| D318542 | Power head agitator for a vacuum cleaner | Kunio Funatsu, Joseph J. Nukazawa, Tadakazu Narikawa | 1991-07-23 |
| D311614 | Electric vacuum cleaner | Yukio Hirano, Kunio Funatsu, Joseph J. Nukazawa, Tadakazu Narikawa | 1990-10-23 |
| D307936 | Air cleaner | Yukio Hirano, Tadakazu Narikawa | 1990-05-15 |
| 4765408 | Micellar slug for oil recovery | Hiroshi Morita, Yasuyuki Kawada, Toshiyuki Ukigai | 1988-08-23 |
| 4733728 | Micellar slug for oil recovery | Hiroshi Morita, Yasuyuki Kawada, Toshiyuki Ukigai | 1988-03-29 |
| 4706129 | Image scanning apparatus | — | 1987-11-10 |
| 4616129 | Light detecting apparatus | Kazuo Horikawa, Masaru Noguchi | 1986-10-07 |
| 4597879 | Micellar slug for oil recovery | Hiroshi Morita, Yasuyuki Kawada, Toshiyuki Ukigai | 1986-07-01 |
| 4556108 | Micellar slug for oil recovery | Hiroshi Morita, Yasuyuki Kawada, Toshiyuki Ukigai | 1985-12-03 |
| 4555351 | Micellar slug for oil recovery | Hiroshi Morita, Yasuyuki Kawada, Toshiyuki Ukigai | 1985-11-26 |
| 4549607 | Micellar slug for oil recovery | Hiroshi Morita, Yasuyuki Kawada, Toshiyuki Ukigai | 1985-10-29 |
| 4544033 | Oil recovery process | Toshiyuki Ukigai, Masaaki Hagiwara | 1985-10-01 |
| 4537253 | Micellar slug for oil recovery | Hiroshi Morita, Yasuyuki Kawada, Toshiyuki Ukigai | 1985-08-27 |
| 4534411 | Micellar slug for oil recovery | Hiroshi Morita, Yasuyuki Kawada, Toshiyuki Ukigai | 1985-08-13 |
| 4512404 | Micellar slug for oil recovery | Hiroshi Morita, Yasuyuki Kawada, Toshiyuki Ukigai | 1985-04-23 |
| 4435962 | Refrigerating apparatus | Taketoshi Mochizuki, Kazuya Matsuo, Mituo Kudo, Akira Arai, Keizi Shono +3 more | 1984-03-13 |
| 4200793 | Device for setting region of interest for scintillation camera | Yasuo Nagasawa | 1980-04-29 |