Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11541394 | Reaction processor | Takashi Fukuzawa, Naofumi Nishizawa | 2023-01-03 |
| 9664851 | Optical assembly | Kenichiro Takeuchi, Akimitsu Sato | 2017-05-30 |
| 9366831 | Optical assembly | Kenichiro Takeuchi, Akimitsu Sato | 2016-06-14 |
| 7333693 | Optical tap module | Hideki Hashizume, Akimitsu Sato | 2008-02-19 |
| 6815792 | Epitaxially grown compound semiconductor film and compound semiconductor multi-layer structure | Yasunori Arima, Nobuyuki Komaba | 2004-11-09 |
| 6816646 | Light-sensitive detector and optical demultiplexer | Kenichi Nakama | 2004-11-09 |
| 6695567 | Hydraulic device for industrial vehicles | Seiji Nakashima | 2004-02-24 |
| 6507084 | Semiconductor light-receiving element | — | 2003-01-14 |
| 5418395 | Semiconductor light emitting device | Shuhei Tanaka | 1995-05-23 |
| D353931 | Fork lift truck | Masanao Kobayakawa, Yoshitaka Sato, Ichiro Nagasaka | 1994-12-27 |
| 5329766 | Hydraulic power steering system with input detection capability | Masayoshi Yamaguchi, Tsuyoshi Sasaki, Ichiro Nagasaka | 1994-07-19 |
| 5279868 | Method of preparing ultrafine particle dispersion material | Shunsuke Ohtsuka, Ken Yamashita, Tadashi Koyama, Shuhei Tanaka | 1994-01-18 |
| 5277268 | Three-wheel battery fork-lift truck | Junichi Kuwayama, Masanao Kobayakawa | 1994-01-11 |
| 4774911 | Cooling fan shroud mounted on an engine vehicle | Yutaka Yamaguchi, Tatsuya Yamaguchi | 1988-10-04 |