Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9329569 | Manufacturing method of cartridge including information storing element, information storing element exchanging method of the cartridge, the cartridge and image forming apparatus | Sadaaki Tani | 2016-05-03 |
| 7073467 | Cooling water circuit system | Nobuyuki Uozumi, Michiya Takatsuka | 2006-07-11 |
| 6153698 | Styrene-based resin compositions and molded articles thereof | Shigeyuki Yoshida, Takashi Arai, Yoshiaki Yamaguchi | 2000-11-28 |
| 5684115 | (Co)polycarbonate composition containing boric acid and a basic catalyst | Yutaka Hukuda, Yasuhiro Oshino | 1997-11-04 |
| 5670604 | Preparation of a polycarbonate by melt-polycondensation of a dihydric phenol and a carbonic diester | Yutaka Fukuda | 1997-09-23 |
| 5663278 | (Co)polycarbonate and process for producing the same | Yutaka Hukuda, Yasuhiro Oshino | 1997-09-02 |
| 5658978 | (Co)polycarbonate and borate composition | Yutaka Hukuda, Yasuhiro Oshino | 1997-08-19 |
| 5610262 | Process for producing polycarbonate | Tsutomu Yamato, Yasuhiro Oshino, Yutaka Fukuda, Takaaki Kuwana | 1997-03-11 |
| 5548041 | Process for producing polycarbonate | Tsutomu Yamato, Yasuhiro Oshino, Yutaka Fukuda, Takaaki Kuwana, Yoshimichi Okano | 1996-08-20 |
| 5498688 | Two-step process for the preparation of a (co)polycarbonate by transesterification | Yasuhiro Oshino | 1996-03-12 |
| 5494992 | (Co)polycarbonate and process for producing the same | Yutaka Hukuda, Yasuhiro Oshino | 1996-02-27 |
| 5489665 | Process for producing polycarbonate | Tsutomu Yamato, Yasuhiro Oshino, Yutaka Fukuda, Takaaki Kuwana, Yoshimichi Okano | 1996-02-06 |
| 5488094 | Process for the preparation of polycarbonate | Yutaka Fududa | 1996-01-30 |
| 5468836 | Process for the preparation of polycarbonate | Yoshimichi Okano, Tsutomu Yamato, Yasuhiro Oshino, Michiyo Tanigawa, Takaaki Kuwana +1 more | 1995-11-21 |
| 5466775 | Process for the preparation of polycarbonate | Yutaka Fukuda | 1995-11-14 |
| 5466774 | (Co) Polycarbonate and process for producing the same | Yutaka Hukuda, Yasuhiro Oshino | 1995-11-14 |
| 5434235 | Process for the preparation of (co)polycarbonate | Yutaka Fukuda | 1995-07-18 |
| 5434227 | Process for producing polycarbonate | Tsutomu Yamato, Yasuhiro Oshino, Yutaka Fukuda, Takaaki Kuwana, Yoshimichi Okano | 1995-07-18 |
| 5432250 | Process for producing polycarbonate | Tsutomu Yamato, Yasuhiro Oshino, Yutaka Fukuda, Takaaki Kuwana | 1995-07-11 |
| 5418314 | Process for producing polycarbonate | Tsutomu Yamamoto, Yasuhiro Oshino, Yutaka Fukuda, Takaaki Kuwana | 1995-05-23 |
| 5416186 | Process for the preparation of (co)polycarbonate | Yasuhiro Oshino | 1995-05-16 |
| 5405934 | Process for producing (co)polycarbonate | Yasuhiro Oshino | 1995-04-11 |
| 5391690 | Process for producing (co)polycarbonate and (co)polycarbonate composition | Tsutomu Yamato, Yasuhiro Oshino, Yutaka Fukuda, Yoshihiro Iguchi, Takaaki Kuwana +1 more | 1995-02-21 |
| 5387628 | Process for producing (co)polycarbonate and (co)polycarbonate composition | Tsutomu Yamato, Yasuhiro Oshino, Yutaka Fukuda, Yoshihiro Iguchi, Takaaki Kuwana +1 more | 1995-02-07 |
| 5278279 | Process for producing (co)polycarbonate with transesterification catalyst and compound | Tsutomu Yamato, Yasuhiro Oshino, Yutaka Fukuda, Yoshihiro Iguchi, Takaaki Kuwana +1 more | 1994-01-11 |