Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12350391 | Processing device, UV emission device, and UV emission method | Toshio Tanaka, Kiyoshi Kuroi, Mamoru Okumoto | 2025-07-08 |
| 9687435 | Calcium phosphate dispersion composition | Keijiro Fujita, Mariko Obuki, Shuji Sakuma | 2017-06-27 |
| 9468593 | Oral composition | Hiroyuki Kawamata, Kazushi Ota, Shuji Sakuma | 2016-10-18 |
| 8253861 | Display device, method of adjusting the image quality of the display device, device for adjusting the image quality and device for adjusting the contrast | Takumi Yoshimoto, Minoru Maehata, Kanako Nishida, Momoko Fujiwara, Kiyoshi Hamatani | 2012-08-28 |
| 7250453 | Anti-bacterial composite particles and anti-bacterial resin composition | Shuji Sakuma, Yuki Sasaki, Yasuo Matsumura, Etsuo Tominaga, Takayoshi Aoki | 2007-07-31 |
| 6509988 | IEEE serial bus physical layer interface having a speed setting circuit | — | 2003-01-21 |
| RE37621 | Optical communication transmission system | Naoya Henmi, Shogo Nakaya | 2002-04-02 |
| 6275889 | Connection control apparatus | — | 2001-08-14 |
| 5835270 | Optical isolator device | Yutaka Urino | 1998-11-10 |
| 5822104 | Digital optical receiving apparatus | — | 1998-10-13 |
| 5675429 | Optical communication transmission system | Naoya Henmi, Shogo Nakaya | 1997-10-07 |
| 5526174 | Optical amplification system | — | 1996-06-11 |
| 5457559 | Apparatus for extracting an optical clock and apparatus for demultiplexing a time-division multiplexed signal | Naoya Henmi | 1995-10-10 |
| 5348577 | Antibacterial calcium tertiary phosphate | Kiminori Atsumi, Masaaki Komori | 1994-09-20 |
| 5266534 | Antibacterial calcium phosphate ceramic | Kiminori Atsumi, Masaaki Komori | 1993-11-30 |
| 5184243 | Optical transmitting apparatus for minimal dispersion along an optical fiber | Naoya Henmi, Tetsuyuki Suzaki | 1993-02-02 |
| 5151122 | Process for producing an antibacterial ceramic material | Kiminori Atsumi, Masaaki Komori | 1992-09-29 |
| 4854518 | Hub setting device | Tsuneo Yamazaki, Hideo Ayabe | 1989-08-08 |
| 4778119 | Magnetic tape wind-up method and apparatus | Tsuneo Yamazaki, Takashi Hasegawa | 1988-10-18 |