Issued Patents All Time
Showing 51–75 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6030595 | Process for the production of synthetic diamond | Hitoshi Sumiya, Shuichi Satoh | 2000-02-29 |
| 5976909 | Method of forming diamond heat sink comprising synthetic diamond film | Hiromu Shiomi, Hideaki Nakahata, Shin-ichi Shikata | 1999-11-02 |
| 5943555 | Micro mechanical component and production process thereof | Hiromu Shiomi, Shin-ichi Shikata | 1999-08-24 |
| 5903015 | Field effect transistor using diamond | Hiromu Shiomi, Shin-ichi Shikata | 1999-05-11 |
| 5874775 | Diamond heat sink including microchannel therein and methods for manufacturing diamond heat sinks | Hiromu Shiomi, Hideaki Nakahata, Shin-ichi Shikata | 1999-02-23 |
| 5844252 | Field emission devices having diamond field emitter, methods for making same, and methods for fabricating porous diamond | Hiromu Shiomi, Tadashi Tomikawa, Shin-ichi Shikata | 1998-12-01 |
| 5812573 | Semiconductor lasers comprising rare earth metal-doped diamond | Hiromu Shiomi, Shin-ichi Shikata | 1998-09-22 |
| 5757032 | Semiconductor diamond device having improved metal-diamond contact for excellent operating stability at elevated temperature | Hiromu Shiomi, Shin-ichi Shikata | 1998-05-26 |
| 5729074 | Micro mechanical component and production process thereof | Hiromu Shiomi, Shin-ichi Shikata | 1998-03-17 |
| 5670796 | Semiconductor device consisting of a semiconductor material having a deep impurity level | Shin-ichi Shikata, Naoji Fujimori, Takeshi Kobayashi | 1997-09-23 |
| 5668382 | Ohmic electrode and method for forming it | Naohiro Toda, Tadashi Tomikawa, Shin-ichi Shikata | 1997-09-16 |
| 5663595 | Diamond heat sink comprising synthetic diamond film | Hiromu Shiomi, Hideaki Nakahata, Shin-ichi Shikata | 1997-09-02 |
| 5600156 | Diamond semiconductor device with P-I-N type multilayer structure | Tadashi Tomikawa, Shin-ichi Shikata | 1997-02-04 |
| 5552613 | Electron device | Tadashi Tomikawa, Shin-ichi Shikata | 1996-09-03 |
| 5527735 | Ohmic electrode of n-type semiconductor cubic boron nitride and method of producing same | Tadashi Tomikawa, Shin-ichi Shikata | 1996-06-18 |
| 5500077 | Method of polishing/flattening diamond | Shinichi Shikata | 1996-03-19 |
| 5500393 | Method for fabricating a schottky junction | Hiromu Shiomi, Naoji Fujimori | 1996-03-19 |
| 5420879 | Solid state laser | Hiroshi Kawarada, Takahiro Imai, Naoji Fujimori | 1995-05-30 |
| 5417798 | Etching method | Naoji Fujimori | 1995-05-23 |
| 5382809 | Semiconductor device including semiconductor diamond | Tadashi Tomikawa, Shinichi Shikata | 1995-01-17 |
| 5344526 | Method for etching diamond | Shinichi Shikata | 1994-09-06 |
| 5252840 | Semiconductor device having differently doped diamond layers | Hiromu Shiomi, Naoji Fujimori | 1993-10-12 |
| 5243199 | High frequency device | Hiromu Shiomi, Naoji Fujimori | 1993-09-07 |
| 5162886 | Hall device | Hideaki Nakahata, Hiromu Shiomi, Naoji Fujimori | 1992-11-10 |
| 5132749 | Semiconductor device | Hiromu Shiomi, Maoji Fujimori | 1992-07-21 |