Issued Patents All Time
Showing 1–25 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410509 | Copper-coated aluminum wire material and production method therefor | Akihiro Kikuchi, Hitoshi Kitaguchi, Kazuto Hirata | 2025-09-09 |
| 7541313 | Method for producing MgB2 superconductor | Akihiro Kikuchi, Kiyoshi Inoue, Yuji Yoshida | 2009-06-02 |
| 7296289 | Setting or changing an access condition for an access management apparatus and method of a portable electronic device | — | 2007-11-13 |
| 7134181 | Method for producing Nb3Al superconductive wire | Kiyoshi Inoue, Akihiro Kikuchi, Takao Takeuchi | 2006-11-14 |
| 6845254 | Nb3Ga multifilamentary superconducting wire and process for preparing the same | Kiyoshi Inoue, Akihiro Kikuchi, Yuji Yoshida | 2005-01-18 |
| 6508889 | Process for the production of Nb3A1 extra-fine multifilamentary superconducting wire | Akihiro Kikuchi, Kiyoshi Inoue | 2003-01-21 |
| 6376099 | CU-containing NB3A1 multifilamentary superconductive wire and process for producing the same | Kiyoshi Inoue, Akihiro Kikuchi | 2002-04-23 |
| 6372054 | Process for producing ultrafine multifilamentary Nb3(A1,Ge) or Nb3(A1,Si) superconducting wire | Akihiro Kikuchi, Kiyoshi Inoue | 2002-04-16 |
| 5963410 | Insulation testing method and apparatus therefor | Masahiro Tsubokawa | 1999-10-05 |
| 5959276 | Issuing customized IC cards of different types | — | 1999-09-28 |
| 5929428 | File managing method requiring a change in key data and IC card device using the method | — | 1999-07-27 |
| 5867029 | Method of nondestructive insulation test and a nondestructive insulation testing apparatus | Masahiro Tsubokawa | 1999-02-02 |
| 5864238 | High speed dynamic run-out testing apparatus and method | Yoshihiro Matsuda | 1999-01-26 |
| 5748915 | Transmission method of changing protocol and data processing apparatus using this method | — | 1998-05-05 |
| 5712881 | Data transmission apparatus selectively using two clock signals | — | 1998-01-27 |
| 5678029 | Memory card available for various formats | — | 1997-10-14 |
| 5644750 | Data storage apparatus having memory area with a predetermined logic type | — | 1997-07-01 |
| 5615381 | Security for a data processing system having multiple distinct program instruction sections | — | 1997-03-25 |
| 5608902 | File management system for memory card | — | 1997-03-04 |
| 5594348 | Surge testing method in decompressed atmosphere for a small-size electric machine and apparatus thereof | Masahiro Tsubokawa | 1997-01-14 |
| 5581708 | Data transmission system using electronic apparatus having a plurality of transmission protocols | — | 1996-12-03 |
| 5517014 | File management apparatus for IC card | — | 1996-05-14 |
| 5515532 | File management system for memory card | — | 1996-05-07 |
| 5437028 | File management system with file-size flexibility | — | 1995-07-25 |
| 5414835 | IC card processing system capable of determing send timing between an IC card and an accepting device | — | 1995-05-09 |