Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5321354 | Method for inspecting semiconductor devices | Yoshimasa Ooshima, Katsuya Iida, Fumiaki Kumazawa | 1994-06-14 |
| 4988979 | Fault inspection system for rotary machines | Hiroaki Sasaki, Yukio Fukuda | 1991-01-29 |
| 4887886 | Colored articles with interference layers made of a composite of silicon dioxide and silicon carbide | Kouji Hirose | 1989-12-19 |
| 4750260 | Thermal head method of manufacturing | Shozo Takeno, Takashi Saito | 1988-06-14 |
| 4729780 | Centrifugal casting device | — | 1988-03-08 |
| 4680593 | Thermal print head | Shozo Takeno, Takashi Saito | 1987-07-14 |
| 4629664 | Liquid fuel cell | Tsutomu Tsukui, Saburo Yasukawa, Ryota DOI, Motoo Yamaguchi, Shuzou Iwaasa | 1986-12-16 |
| 4612261 | Fuel cell battery using acidic electrolyte | Tsutomu Tsukui, Ryouta Doi | 1986-09-16 |
| 4597431 | Melting and pressure casting device | Sumiya Hobo, Masaru Nishida | 1986-07-01 |
| 4588660 | Fuel cell | Takanori Satoo, Ryota DOI, Motoo Yamaguchi, Tsutomu Tsukui, Yoshio Yoshioka | 1986-05-13 |
| 4562123 | Liquid fuel cell | Takanori Satou, Tsutomu Tsukui, Ryouta Doi, Motoo Yamaguchi | 1985-12-31 |
| 4537840 | Fuel cell using organic, high-molecular weight electrolyte | Tsutomu Tsukui, Ryota DOI, Yasuyuki Tsutsumi | 1985-08-27 |
| 4433229 | Electrode roll for resistance welding | Yonekichi Morikawa, Eiichi Yoshida, Tsuyoshi Konagaya, Keizo Hirayama | 1984-02-21 |
| 4365254 | Two-color recording paper and method and recording apparatus utilizing _the two-color recording paper | Masaru Ozawa, Yuji Ooba | 1982-12-21 |
| 4328977 | Recording paper capable of recording images in two colors | Masaru Ozawa, Yuji Ooba | 1982-05-11 |
| 4318100 | Automatic ground clutter rejection in weather pulse radar system | Atsushi Wakabayashi, Shuichi Goto | 1982-03-02 |
| 4271416 | Slit type ink recording apparatus | Susumu Ichinose, Yuji Ooba | 1981-06-02 |
| 4251297 | Method for manufacturing magnetic head using boronizing treatment | Hidetsugu Kawabata, Yuji Nagata, Keizo Ishiwatari | 1981-02-17 |