Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12312787 | Kitchen sink | Masatsugu Hirasawa | 2025-05-27 |
| D1063012 | Sink for kitchen | Masatsugu Hirasawa | 2025-02-18 |
| D962873 | Connecting terminal | Kohei Seki | 2022-09-06 |
| 11417974 | Car window glass assembly | Kohei Seki, Kazunori Furuhashi | 2022-08-16 |
| 11121487 | Car window glass assembly | Kohei Seki, Kazunori Furuhashi | 2021-09-14 |
| D928721 | Connecting terminal | Kohei Seki | 2021-08-24 |
| D927431 | Connecting terminal | Kohei Seki | 2021-08-10 |
| D883227 | Connecting terminal | Kohei Seki | 2020-05-05 |
| 10369765 | Fastener tape, slide fastener provided with same, and fastener tape fabrication method | Toshimasa Konaka, Shinyo Yokoyama | 2019-08-06 |
| 10118856 | Lead-free glass and sealing material | Masamichi Yanagisawa | 2018-11-06 |
| 9815735 | Lead-free glass and sealing material | Masamichi Miyazawa | 2017-11-14 |
| 9434876 | Phosphor-dispersed glass | Takahisa Kida | 2016-09-06 |
| 8980776 | Lead-free low melting point glass composition | — | 2015-03-17 |
| 8808582 | Low-melting-point glass composition and conductive paste material using same | — | 2014-08-19 |
| 8406600 | Imaging apparatus | — | 2013-03-26 |
| 6744840 | Incore monitoring method and incore monitoring equipment | Yoshiji Karino | 2004-06-01 |
| 5162849 | Image forming apparatus having a developer deterioration detecting device | Kunihisa Yoshino, Mitsuo Motohashi, Yukio Okamoto, Takahiro Tuchiya | 1992-11-10 |
| 5140375 | Image forming apparatus | Yoshiko Shindo, Yukio Okamoto | 1992-08-18 |
| 5115280 | Residual toner cleaning apparatus for color image forming device | Yukio Okamoto | 1992-05-19 |
| 5107285 | Image forming apparatus with improved image retainer cleaning means | Yukio Okamoto | 1992-04-21 |
| 4979000 | Paper separating charger capable of discharging currents of various duty factors and frequencies | Masahiko Itaya, Mitsuo Motohashi | 1990-12-18 |
| 4816900 | Method of separation and formation of a color component of a color image and apparatus therefor | Hiroshi Tokunaga, Masakazu Fukuchi | 1989-03-28 |