Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11118898 | Method for producing preparation for fiber length measurement, method for preparing dispersion liquid for fiber length measurement, method for measuring fiber length, preparation for fiber length measurement, fiber length measurement apparatus, and control computer program for fiber length measurement apparatus | Mariko Terada, Atsuhiko Yamanaka, Yukitane Kimoto, Koji Shiraki, Yuji Hotta | 2021-09-14 |
| 10951011 | Spark plug for internal combustion engines | Daisuke Tanaka, Fumiaki Aoki, Naoto Hayashi | 2021-03-16 |
| 10931086 | Spark plug including a ground electrode having slanted surfaces and a facing portion facing a distal end surface of a center electrode | Yuya Abe, Masamichi Shibata | 2021-02-23 |