Issued Patents All Time
Showing 101–125 of 201 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6518355 | Pressure-sensitive rubber adhesive and pressure-sensitive adhesive sheet made using the same | Kazuhiko Shibata | 2003-02-11 |
| 6458452 | Titanium oxide particles, substrate for magnetic recording medium and magnetic recording medium using the same | Kazuyuki Hayashi, Keisuke Iwasaki, Hiroko Morii | 2002-10-01 |
| 6432508 | High-density acicular hematite particles, non-magnetic undercoat layer and magnetic recording medium | Kazuyuki Hayashi, Keisuke Iwasaki, Hiroko Morii | 2002-08-13 |
| 6420030 | Black iron-based composite particles, process for producing the same, paint and rubber or resin composition containing the same | Kazuyuki Hayashi, Hiroko Morii | 2002-07-16 |
| 6416864 | Black magnetic composite particles for a black magnetic toner | Kazuyuki Hayashi, Hiroko Morii, Seiji Ishitani | 2002-07-09 |
| 6379855 | Black magnetic toner and black magnetic composite particles therefor | Kazuyuki Hayashi, Hiroko Morii, Seiji Ishitani | 2002-04-30 |
| 6352776 | Magnetic recording medium, non-magnetic acicular black iron-based composite particles and process for producing the particles | Kazuyuki Hayashi, Keisuke Iwasaki, Hiroko Morii | 2002-03-05 |
| 6350505 | High-density acicular hematite particles, non-magnetic undercoat layer and magnetic recording medium | Kazuyuki Hayashi, Keisuke Iwasaki, Hiroko Morii | 2002-02-26 |
| 6351507 | Reproducing apparatus capable of generating clock signal synchronized in phase with reproduced data | Yoshiyuki Sasaki | 2002-02-26 |
| 6335407 | Deproteinized natural rubber and process for producing the same | Yuichi Hioki, Naoya Ichikawa | 2002-01-01 |
| 6333091 | Bar-supportive buffer sheet | Joji Kasugai, Hideyuki Fujiwara | 2001-12-25 |
| 6294242 | Magnetic recording medium | Kazuyuki Hayashi, Hiroko Morii, Mamoru Kamigaki, Keisuke Iwasaki | 2001-09-25 |
| 6292621 | Recording apparatus for newly recording a second encoded data train on a recording medium on which an encoded data train is recorded | Akio Fujii, Masato Kato | 2001-09-18 |
| 6287668 | Magnetic recording medium and substrate therefor | Kazuyuki Hayashi, Keisuke Iwasaki, Hiroko Morii | 2001-09-11 |
| 6289427 | Controlling a read address or a write address based on the quantity of data read from or written into a memory | — | 2001-09-11 |
| 6263148 | Variable-mode information signal reproduction apparatus with tracking control | Taizou Hori | 2001-07-17 |
| 6251555 | Black magnetic composite particles for black magnetic toner and black magnetic toner using the same | Kazuyuki Hayashi, Seiji Ishitani, Hiroko Morii | 2001-06-26 |
| 6248437 | Magnetic recording medium containing non-magnetic hematite particles as an undercoat layer | Kazuyuki Hayashi, Keisuke Iwasaki, Hiroko Morii | 2001-06-19 |
| 6239253 | Deproteinized natural rubber and process for producing the same | Yuichi Hioki, Naoya Ichikawa | 2001-05-29 |
| 6207253 | Acicular hematite particles and magnetic recording medium | Kazuyuki Hayashi, Keisuke Iwasaki, Hiroko Morii | 2001-03-27 |
| 6207279 | High-density acicular hematite particles, non-magnetic undercoat layer and magnetic recording medium | Kazuyuki Hayashi, Keisuke Iwasaki, Hiroko Morii | 2001-03-27 |
| 6204358 | Process for producing deproteinized natural rubber using protease and anionic surfactant | Yuichi Hioki, Naoya Ichikawa | 2001-03-20 |
| 6130017 | Black non-magnetic composite particles for black toner and black toner using the same | Kazuyuki Hayashi, Seiji Ishitani, Hiroko Morii | 2000-10-10 |
| 6124022 | Acicular hematite particles for non-magnetic undercoat layer of magnetic recording medium, and magnetic recording medium using the same | Kazuyuki Hayashi, Keisuke Iwasaki, Hiroko Morii | 2000-09-26 |
| 6120898 | Hematite particles and magnetic recording medium using hematite particles as non-magnetic particles for a non-magnetic undercoat layer | Kazuyuki Hayashi, Keisuke Iwasaki, Hiroko Morii | 2000-09-19 |