Issued Patents All Time
Showing 51–75 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357470 | Semiconductor memory device having redundancy memory cells | Toshimasa Namekawa | 1994-10-18 |
| 5295117 | Semiconductor memory device and method for controlling an output buffer utilizing an address transition detector | — | 1994-03-15 |
| 5075490 | Aspartic acid derivatives | — | 1991-12-24 |
| 5073725 | Optical harmonic generator | Toshihiko Takano, Yoshio Inoue, Kouzaburo Yano, Terutaka Tokumaru | 1991-12-17 |
| 5072271 | Protection circuit for use in semiconductor integrated circuit device | Mitsuru Shimizu, Kiyofumi Sakurai | 1991-12-10 |
| 5023842 | Semiconductor memory having improved sense amplifiers | — | 1991-06-11 |
| 5011250 | Optical harmonic generator | Toshihiko Takano | 1991-04-30 |
| 4994874 | Input protection circuit for semiconductor integrated circuit device | Mitsuru Shimizu, Syuso Fujii, Shozo Saito | 1991-02-19 |
| 4982037 | Process for selectively alkylating biphenyl | Tadashi Nakamura, Shouichi Hoshi | 1991-01-01 |
| 4962225 | Aspartic acid derivatives | Koichi Kawasaki, Shin Iguchi | 1990-10-09 |
| 4962320 | Input protection circuit for MOS device | Sadao IMADA, Mitsuru Shimizu | 1990-10-09 |
| 4931992 | Semiconductor memory having barrier transistors connected between sense and restore circuits | Masaki Ogihara, Syuso Fujii | 1990-06-05 |
| 4849654 | Semiconductor integrated circuit with input protection circuit | — | 1989-07-18 |
| 4822767 | Solvent for chromogenic dye-precursor material for pressure-sensitive recording paper sheet and pressure-sensitive recording paper sheet prepared by using the solvent | Tadashi Nakamura, Youichi Ohhira | 1989-04-18 |
| 4795493 | Solvent for chromogenic dye-precursor material for pressure-sensitive recording paper sheet and pressure-sensitive recording paper sheet prepared by using the solvent | Tadashi Nakamura, Youichi Ohhira | 1989-01-03 |
| 4788668 | Dynamic type memory device including a reference potential generating circuit arrangement | — | 1988-11-29 |
| 4783438 | Partially pressure-sensitive recording paper | Yuriko Igarashi, Yutaka Igari | 1988-11-08 |
| 4774223 | Solvent, ink and coated paper for carbonless copying system | Masahiro Akatsu, Yohichi Ohira | 1988-09-27 |
| 4774136 | Solvent for the chromogenic dye-precursor material for a pressure-sensitive recording paper sheet and a pressure-sensitive recording paper sheet prepared by using the solvent | Tadashi Nakamura, Youichi Ohhira | 1988-09-27 |
| 4740715 | Self substrate bias generator formed in a well | — | 1988-04-26 |
| 4714495 | Solvent, ink and coated paper for carbonless copying system | Masahiro Akatsu, Yohichi Ohira | 1987-12-22 |
| 4699658 | Solvent for chromogenic dye-precursor material for pressure-sensitive recording paper sheet and pressure-sensitive recording paper sheet prepared by using the solvent | Tadashi Nakamura, Youichi Ohhira | 1987-10-13 |
| 4699659 | Solvent for chromogenic dye-precursor material for pressure-sensitive recording paper sheet and pressure-sensitive recording paper sheet prepared by using the solvent | Tadashi Nakamura, Youichi Ohhira | 1987-10-13 |
| 4696856 | Pressure-sensitive recording material | Nobuo Ahiko, Yuriko Igarashi | 1987-09-29 |
| RE32501 | Rotary cutter | — | 1987-09-15 |