Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6139989 | Cathode formed of graphite/carbon composite for lithium ion secondary battery | Masataka Wakihara, Mori Nagayama | 2000-10-31 |
| 5391433 | Carbon material for electrodes and process for preparing it | Yoshihisa Suda | 1995-02-21 |
| 5380422 | Micro-electrode and method for preparing it | Akira Negishi, Hiroko Kaneko, Yoshihisa Suda | 1995-01-10 |
| 5376251 | Carbon micro-sensor electrode and method for preparing it | Hiroko Kaneko, Masahiro Yamada, Akira Negishi, Yoshihisa Suda | 1994-12-27 |
| 5281319 | Carbon micro-sensor electrode and method for preparing it | Hiroko Kaneko, Masahiro Yamada, Akira Negishi, Yoshihisa Suda | 1994-01-25 |
| 5218757 | Tapered carbon microelectrode and process for production thereof | Hiroko Kaneko, Masahiro Yamada, Yukifumi Shigematsu, Wataru Mizutani, Akira Negishi +1 more | 1993-06-15 |
| 5171492 | Process for producing carbonaceous implant material | Sugiro Ohtani | 1992-12-15 |
| 5096519 | Process for preparation of carbon fiber composite reinforced carbonaceous material | Etsuro Oota | 1992-03-17 |
| 4950443 | Process for producing carbon product with coarse and dense structure | Mitsuru Yoshida, Yoshihisa Suda | 1990-08-21 |
| 4916292 | Coiled resistance heating element of carbonaceous material | Mitsuru Yoshida, Yoshihisa Suda | 1990-04-10 |
| 4894215 | Process for producing porous materials of carbon | Mitsuru Yoshida, Yoshihisa Suda | 1990-01-16 |
| 4882102 | Process for producing hard carbonaceous sheets | Mitsuru Yoshida, Yoshihisa Suda | 1989-11-21 |
| 4882103 | Process for producing carbon product having coarse and dense structure | Mitsuru Yoshida, Yoshihisa Suda | 1989-11-21 |
| 4863649 | Process for producing carbon heat generator | Takao Koyama | 1989-09-05 |
| 4412675 | Carbon spring and process for preparing the same | — | 1983-11-01 |
| 4374225 | Method of fabricating an eraser | Kiyosi Hirasawa | 1983-02-15 |