Issued Patents All Time
Showing 551–575 of 600 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5058616 | Method of supplying ultrahigh purity gas | — | 1991-10-22 |
| 5038188 | Insulated-gate type transistor and semiconductor integrated circuit using such transistor | Jun-ichi Nishizawa | 1991-08-06 |
| 5021843 | Semiconductor integrated circuit | — | 1991-06-04 |
| 5009963 | Metal material with film passivated by fluorination and apparatus composed of the metal material | Masahiro Miki, Hirohisa Kikuyama, Matagoro Maeno | 1991-04-23 |
| 5001535 | Static induction type thyristor | Jun-ichi Nishizawa | 1991-03-19 |
| 4994872 | Insulated gate static induction transistor and integrated circuit including same | Jun-ichi Nishizawa | 1991-02-19 |
| 4985738 | Semiconductor switching device | Jun-ichi Nishizawa | 1991-01-15 |
| 4984049 | Static induction thyristor | Jun-ichi Nishizawa, Yoshinobu Ohtsubo | 1991-01-08 |
| 4984060 | Semiconductor device wirings with hillocks | Tadashi Shibata, Masaru Umeda | 1991-01-08 |
| 4977916 | Mass flow controller | Hiroshi Mihara, Kiyoshi Satoh | 1990-12-18 |
| 4977855 | Apparatus for forming film with surface reaction | Masaru Umeda | 1990-12-18 |
| 4971100 | System for supplying ultrahigh purity gas | — | 1990-11-20 |
| 4953826 | Metal diaphragm valve | Yohichi Kanno, Kazuhiko Satoh, Tadahiro Hatayama | 1990-09-04 |
| 4939571 | Insulated-gate type transistor and semiconductor integrated circuit using such transistor | Jun-ichi Nishizawa | 1990-07-03 |
| 4935798 | Static induction type thyristor | Jun-ichi Nishizawa | 1990-06-19 |
| 4921005 | Mass flow controller | Hiroshi Mihira, Kiyoshi Satoh | 1990-05-01 |
| 4917136 | Process gas supply piping system | Kazuhiko Sugiyawa, Fumio Nakahara, Masaru Umeda | 1990-04-17 |
| 4916512 | Photoelectric converter | Nobuyoshi Tanaka | 1990-04-10 |
| 4907053 | Semiconductor integrated circuit | — | 1990-03-06 |
| 4897171 | Wafer susceptor | — | 1990-01-30 |
| 4874494 | Semiconductor manufacturing apparatus | — | 1989-10-17 |
| 4872044 | Static induction type thyristor | Jun-ichi Nishizawa | 1989-10-03 |
| 4869301 | Cylinder cabinet piping system | Kazuhiko Sugiyama, Fumio Nakahara, Masaru Umeda | 1989-09-26 |
| 4847668 | Device and method of photoelectrically converting light into electrical signal | Shigetoshi Sugawa, Nobuyoshi Tanaka, Toshiji Suzuki, Tadanori Harada | 1989-07-11 |
| 4828219 | Metal diaphragm valve | Yohichi Kanno, Osamu Uchisawa, Kazuhiko Sato | 1989-05-09 |