Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12068421 | Light reception element and light shielding structure for optical circuit | Atsushi Murasawa, Hiroki Kawashiri, Yusuke Nasu | 2024-08-20 |
| 11404158 | Image viewer | Brigil Vincent, Tatsuo Kawanaka, Prajeesh Prabhakaran, Maneesh Chirangattu | 2022-08-02 |
| 10643746 | Image viewer | Brigil Vincent, Tatsuo Kawanaka, Prajeesh Prabhakaran, Maneesh Chirangattu | 2020-05-05 |
| 10054738 | Optical waveguide and arrayed waveguide grating | Kazumi Shimizu, Kouji Kawashima, Tomoharu Niitsu | 2018-08-21 |
| 9713840 | Pipe with rib and method for manufacturing pipe with rib | Yuichi Furukawa, Tsukasa Kato, Tetsuya Nakajima, Jun Yaokawa, Yasushi Iwata +1 more | 2017-07-25 |
| 9618694 | Optical waveguide and arrayed waveguide grating | Kazumi Shimizu, Kouji Kawashima, Tomoharu Niitsu | 2017-04-11 |
| 9075191 | Optical waveguide and arrayed waveguide grating | Kazumi Shimizu, Koji Kawashima | 2015-07-07 |
| 9036965 | Microlens array and optical transmission component | Hiroshi Terui, Fumihiro Ebisawa, Shunichi Soma, Akira Komiyama, Fumito Nakajima +1 more | 2015-05-19 |
| 9020310 | Optical waveguide and arrayed waveguide grating | Kazumi Shimizu, Kenya Suzuki, Koji Kawashima | 2015-04-28 |
| 7150610 | Gas compressor | Toru Takahashi, Okikazu Kuwahara | 2006-12-19 |
| 6641373 | Gas compressor with variably biased vanes | — | 2003-11-04 |
| 5345776 | Air conditioning apparatus capable of performing a dehumidifying operation | Megumi Komazaki, Hideaki Suzuki, Hideaki Motohashi | 1994-09-13 |
| 5341650 | Air conditioning apparatus having a plurality of inlets for taking in indoor air at a plurality of portions of main body thereof | Atsushi Nagasawa, Masaya Yamazaki, Yoshinori Katagami, Masaru Shinoda, Takeshi Matsuo +1 more | 1994-08-30 |
| 5290343 | Electrostatic precipitator machine for charging dust particles contained in air and capturing dust particles with coulomb force | Takeshi Sakai | 1994-03-01 |
| 5251814 | Air conditioning apparatus having louver for changing the direction of air into room | Yoshitaka Warashina, Kazuo Mochizuki, Noboru Kumagai, Atsushi Nagasawa | 1993-10-12 |
| 5092396 | Air-conditioning system | Mitsuo Murano, Akihiko Sugiyama | 1992-03-03 |
| 5060717 | Air conditioner | Akihiko Sugiyama, Oserojoin Watabiki, Mithuo Murano | 1991-10-29 |
| 4869074 | Regenerative refrigeration cycle apparatus and control method therefor | Takao Hoshi | 1989-09-26 |
| 4833893 | Refrigerating system incorporating a heat accumulator and method of operating the same | — | 1989-05-30 |
| 4798059 | Air conditioner with heat regeneration cycle | — | 1989-01-17 |
| 4758525 | Method of making light-receiving diode | Yasuhiro Kida, Koichi Suda, Kunihiro Matsukuma | 1988-07-19 |
| D293713 | Air-conditioner | Toru Nonaka, Shinji Watanabe, Takuma Watanabe | 1988-01-12 |
| 4620424 | Method of controlling refrigeration cycle | Tatsuo Tanaka, Koichi Miyazaki, Eiji Kuwahara, Masaya Yamazaki | 1986-11-04 |
| 4500904 | Semiconductor device | Jin Onuki, Ko Soeno, Hisakithi Onodera | 1985-02-19 |
| 4430664 | Glass-moulded type semiconductor device | Akira Matsunaga | 1984-02-07 |