Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8619439 | Flyback boost circuit with current supplied to secondary side of transformer circuit prior to boost operation and strobe device using the same | Katsuya Ikezawa, Takuya Takenaka, Yasuhiro Yamawaki, Tatsuo Kuroiwa | 2013-12-31 |
| 5774157 | Method of density adjustment for a magnetic printing apparatus | Takashi Iwata, Keiichi Ono | 1998-06-30 |
| 4991957 | Borescope apparatus | Nobuyuki Sakamoto, Yoshio Shishido, Masahiro Kumakura, Morihide Mizumoto, Morihide Tojo +11 more | 1991-02-12 |
| 4722340 | Stone disintegrator apparatus | Syuichi Takayama, Kowji Tanikawa, Ryouji Masubuchi, Minoru Shinozuka, Kenichirou Sanagi +2 more | 1988-02-02 |
| 4552130 | Air and liquid supplying device for endoscopes | — | 1985-11-12 |
| 4550716 | Liquid supplying device for endoscope | — | 1985-11-05 |
| 4548197 | Air and liquid supplying device for endoscope | — | 1985-10-22 |
| 4536773 | Magnetic recording apparatus with adjustable line density | Norio Kokaji | 1985-08-20 |
| 4525725 | Method and apparatus for forming magnetic latent images | Norio Kokaji | 1985-06-25 |
| 4518970 | Method for forming a latent image and apparatus for carrying out the same | Norio Kokaji | 1985-05-21 |
| 4365276 | Copy magnification change apparatus in magnetic copying machine | Norio Kokaji | 1982-12-21 |
| 4361138 | Ventilation/feedwater switching apparatus for endoscope | — | 1982-11-30 |
| 4325606 | Connector for a light guide cable of an endoscope | Yuji Ikuno, Katsuyuki Kanehira | 1982-04-20 |
| 4281646 | Cleaning device for an observation window of an endoscope | — | 1981-08-04 |
| 4279247 | Endoscope having a plurality of optical systems each provided with an identification mark element | — | 1981-07-21 |
| 4268872 | Magnetic duplicator with multiple copies | Norio Kokaji, Toshihiro Urano, Katsunori Saitoh | 1981-05-19 |
| 4232323 | Magnetographic apparatus | Norio Kokaji, Toshihiro Urano, Katsunori Saito | 1980-11-04 |