Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7123093 | Semiconductor integrated circuit | — | 2006-10-17 |
| 6334915 | Copper alloy sheet for electronic parts | Tetsuzo Ogura, Masahiro Kawaguchi | 2002-01-01 |
| 5623476 | Recording device and reproduction device | Ken Eguchi, Haruki Kawada, Kunihiro Sakai, Hiroshi Matsuda, Yuko Morikawa +4 more | 1997-04-22 |
| 5498932 | Drive voltage generating circuit having a contrast control function | Yasuhiro Shin | 1996-03-12 |
| 5359204 | Switching device | Ken Eguchi, Kunihiro Sakai, Haruki Kawada, Hiroshi Matsuda, Yuko Morikawa +2 more | 1994-10-25 |
| 5140398 | Switching device | Hiroshi Matsuda, Haruki Kawada, Kunihiro Sakai, Yuko Morikawa, Ken Eguchi +1 more | 1992-08-18 |
| 4957061 | Plurality of beam producing means disposed in different longitudinal and lateral directions from each other with respect to a substrate | Kenji Ando, Osamu Kamiya, Masao Sugata, Noriko Kurihara, Hiroyuki Sugata +4 more | 1990-09-18 |
| 4804613 | Optical recording medium and optical recording process using such medium | Hiroshi Matsuda, Masahiro Haruta, Hirohide Munakata, Yoshinori Tomita | 1989-02-14 |
| 4802989 | System for purifying dye | Masahiro Haruta, Kunitaka Ozawa | 1989-02-07 |
| 4798694 | Method for producing composite materials | Hiroyuki Sugata, Kouhei Nakata, Nobutoshi Mizusawa, Satoshi Yuasa, Masahiro Haruta +1 more | 1989-01-17 |
| 4766047 | Optical recording medium and optical recording process using such medium | Hiroshi Matsuda, Masahiro Haruta, Hirohide Munakata, Yoshinori Tomita | 1988-08-23 |
| 4698151 | Dyestuff refining system | Kunitaka Ozawa, Masahiro Haruta, Tsuyoshi Eida | 1987-10-06 |
| 4664815 | Ink production system | Kunitaka Ozawa, Masahiro Haruta, Tsuyoshi Eida | 1987-05-12 |
| 4634628 | Recording medium and image recording process | Hirohide Munakata, Yoshinori Tomida, Masahiro Haruta, Yutaka Hirai, Yukuo Nishimura | 1987-01-06 |
| 4618561 | Monomolecular record memory medium with photosensitive diazonium salt | Hirohide Munakata, Yoshinori Tomida, Masahiro Haruta, Yutaka Hirai, Yukuo Nishimura | 1986-10-21 |
| 4592980 | Photoconductive layer having hydrophilic and hydrophobic moieties | Yoshinori Tomida, Yutaka Hirai, Masahiro Haruta, Yukuo Nishimura, Hiroshi Matsuda | 1986-06-03 |
| 4572847 | Process for recording with ink on a material comprising a substrate having thereon a coating layer with micro-cracks | Masahiro Haruta | 1986-02-25 |
| 4544580 | Method for recording by writing or printing with ink | Masahiro Haruta, Shigeo Toganoh | 1985-10-01 |
| 4496629 | Material used to bear writing or printing | Masahiro Haruta | 1985-01-29 |
| 4481244 | Material used to bear writing or printing | Masahiro Haruta, Shigeo Toganoh | 1984-11-06 |